Week of May 14, 2012
Monday/Tuesday/Wednesday
Objectives: students will be able to
Procedure: cover topics in chapter 28 to achieve above objectives. Students will take a reading quiz on chapter 28 on Tuesday.
Thursday
Review for chapter 27/28 test.
Friday
Objective: students will be able to demonstrate knowledge of concepts covered in chapters 27 and 28 by taking a test. Procedure: administer test on chapters 27 and 28 on light and color.
Homework: take notes for a reading quiz on chapter 29.
Week of May 7, 2012
Monday
Objectives: students will be able to
Procedure: administer reading quiz on chapter 27, teach concepts from chapter 27 to meet the objectives above. Show two Flash animations on measuring the speed of light. Demos: over the next three days, the following light demonstrations will be presented: laser light will carry a signal to a solar cell, the ringing of a bulb filament, neon bulb makes solar cell buzz, sugar solution polarizes light, flexed plastic shows stress under polarized light.
Tuesday
Objectives: students will be able to
Procedure: the students will perform a lab on polarization.
Wednesday
Review concepts of light. Students will complete and submit a web packet on the properties of light.
Thursday/Friday
Objectives: students will be able to
Week of April 30, 2012
Monday/Tuesday
Objectives: students will be able to
Procedure: continue teaching chapter 26 to cover the above objectives. Conceptual development pages will be used to check comprehension.
Wednesday
Objectives: students will be able to
Procedure: students will perform a lab activity on the speed of sound waves using tuning forks and graduated cylinders.
Thursday
Review for chapter 25-26 test.
Friday
Objective: students will be able to demonstrate knowledge of concepts covered in chapters 25 and 26 by taking a test. Procedure: administer test on chapters 25 and 26. Homework: take notes for a reading quiz on chapter 27.
Week of April 23
Monday/Tuesday
Objectives: students will be able to
Review/explain the doppler effect
apply the doppler effect to electromagnetic radiation
discuss bow waves, shock waves
Procedure: finish chapter 25. Student will finish
worksheets 25-1 and demo sheet. Do review sheet to check
comprehension.
Homework: chapter 25 review questions (period 1-2).
Demo: use ripple tank to show the doppler effect on water
waves, spin buzzer to show doppler effect with sound waves.
Homework: take notes on chapter 26
Wednesday/Thursday
Objectives: students will be able to
Explain the nature of sound waves
Distinguish between pitch and frequency
Describe the speed of sound in various media
Explain forced vibration, resonance
Define beats, beat frequency
Procedure: teach chapter 26 to cover the above objectives.
Demos for this chapter include the whirling tube, the striking of
different sized copper pipes, the fire organ, straw trumpets, tuning
a guitar, glasses or bottles filled with different amounts of
water. Students with presentations on sound will present this
week. A reading quiz will be given on Wednesday. A
conceptual development page will be used to check comprehension.
Friday
Objectives: students will be able to
Determine the wavelength of a wave
Use the relationship between wavelength, frequency and wave speed
Work cooperatively in groups
Procedure: students will perform a lab activity on the speed of
sound waves using tuning forks and graduated cylinders.
Week of April 16, 2012
Monday
Objectives: students will be able to explain magnetic forces on
currents, build a simple motor.
Procedure: students will construct a simple motor and speaker using
a coil of wire, a plastic cup and a permanent magnet.
Homework: do selected review questions for chapter 36 and 37.
Tuesday
Review for chapter 36 and 37 test. Go over homework answers
and review sheets.
Wednesday
Students will take a test on chapters 36 and 37.
Homework: Reading Quiz on chapter 25.
Thursday
Objectives: students will be able to
Define period of vibration, wavelength
Explain constructive and destructive interference
Procedure: administer reading quiz on chapter 25. Explain and
discuss waves and wave motion. A worksheet will be used to
check comprehension.
Friday
Objectives: students will be able to
Determine the wavelength of a wave
Use the relationship between wavelength, frequency and wave speed
Work cooperatively in groups
Procedure: students will perform a lab activity on waves.
Week of April 2, 2012
Monday
Objectives: students will be able to define electromagnetic
induction, discuss Faraday’s law, explain generators.
Procedure: cover sections 37.1 to 37.3.
Tuesday
Objective: students will be able to compare a motor and generator,
define a transformer and the relationship between the windings of a
transformer and the corresponding voltages.
Procedure: administer reading quiz on chapter 37. Cover
sections 37.4 - 37.8. Hand out problem set on transformers.
Wednesday
Objectives: students will be able to
Monday
Objectives: students will be able to
Procedure: Administer a
test on chapter 34.
Tuesday-Thursday
HSPA testing
Friday
Objectives: students will be
able to
Procedure: students will
perform a lab using a bulb and battery.
Week of February 20, 2012
MondayTuesday
Objective: students will reinforce concepts on static electricity, electric fields, electric potential.
Procedure: review selected review questions from chapters 32 and 33, and a review sheet for a test on Wednesday.
Objective: students will be able to demonstrate knowledge of concepts covered in chapters 32 and 33 by taking a test.
Procedure: administer test on chapters 32 and 33 on electrostatics and electric potential.
Homework: take notes on chapter 34 for a reading quiz on Thursday
Objectives: students will be able to
define electric current as flow of charge
give examples of current flow in solids and fluids
Procedure: students will take reading quiz on chapter 34, then perform a lab on electric current. Continue chapter 34, electric current. Discuss flow of charge, electric current, voltage sources. Students will complete a worksheet to check comprehension.
Objectives: students will be able to
explain and use Coulomb’s law
define, explain and use a capacitor.
describe properties of charges
Procedure: concepts of electrostatics will be summarized, students will do a worksheet to check comprehension.
Homework: Take notes on chapter 33.
Tuesday
Objectives: students will be able to
define electric field
electric shielding
Procedure: Start chapter 33, Electric Fields and Potential. Administer Reading Quiz, discuss electric fields by comparing them to gravitational fields, cite similarities and differences. Discuss electric shielding (demo). Give examples, show coax cable.
Demo: use Van de Graff generator and a metal screen to demonstrate the concept of electric field and shielding. A charged ball is repelled by the Van de Graff. This is explained by electrostatic forces, action-at-distance, like gravity. A person inside a metal screen is protected by electric shock.
Students will be able to explain concepts on static electricity and electric fields.
Procedure: The concept of electric potential will be discussed and a worksheet will be distributed for the second half of the period on electric potential and voltage.
Homework: chapter 33 review questions, due Thursday.
Thursday
Objective: students will reinforce concepts on static electricity, electric fields, electric potential.
Procedure: review concepts from chapters 32 and 33 for a test on Thursday. Go over electrostatics packet and potential worksheet.
Objective: students will be able to demonstrate knowledge of concepts covered in chapters 32 and 33 by taking a test.
Procedure: administer test on chapters 32 and 33 on electrostatics and electric potential.
Homework: take notes on chapter 34 for a reading quiz on Monday
Objective: students will be able to
define electrostatics
demonstrate the existence of two kinds of charge
discuss properties of charged materials.
Procedure: start chapter 32, Electrostatics. Demonstrate some properties of charged materials. Students will take notes on chapter 32 for a Reading Quiz on Tuesday.
Tuesday
Objective: students will be able to
define electrostatics
demonstrate the existence of two kinds of charge
discuss properties of charged materials.
Procedure: Hand out packet on Static Electricity. Have students work in groups on the packet, to examine properties of charged materials.
Demo: use Van de Graff generator to demonstrate properties of charged materials.
Wednesday
define electrostatics
demonstrate the existence of two kinds of charge
discuss properties of charged materials
Work cooperatively in groups.
Procedure: continue with chapter 32, Electrostatics. Students continue to work in groups on the packet, to examine properties of charged materials.
Homework: take notes on chapter 32 for a reading quiz on Thursday.
Thursday
Objectives: students will be able to
build an electroscope
make a capacitor
explain the function of an electrophorus, a device for storing static charge
Procedure: A reading quiz on chapter 32 will be administered, students will finish the electrostatics packet. Students will build and use an electroscope. They will assemble a capacitor. Discussion will include conductors and insulators, charging by friction and induction.
Demo: a charged capacitor will be used in a shocking demonstration.
Friday
Objectives: students will be able to
explain and use Coulomb’s law
define, explain and use a capacitor.
describe properties of charges
explain electrostatic properties of different materials, conductors, insulators.
Procedure: concepts of electrostatics will be summarized, students will do a worksheet to check comprehension.
Homework: review exercises for chapter 32, due Monday.
Week of January 30, 2012
Monday/Tuesday
Review for midterm.
Wednesday-Friday
Midterm exams.
Week of January 23, 2012
state the law of Universal Gravitation
write and use the symbolic representation of the law: F=Gm1m2/d2.
Procedure: Continue with sections 12.1 to 12.4, Newton’s Law of Universal Gravitation. Discuss the value of G, Von Jolly’s method of measuring the attraction of two masses, calculate the mass of the earth. Hand out worksheet. Discuss the inverse square, effects of universal gravitation (shapes of galaxies, perturbations of outer planets).
Wednesday
Objectives: students will be able to
define gravitational field
express the value of g for any planet knowing its mass and radius
explain how the moon and sun create tides on Earth
explain forces in the sun and how black holes may be formed.
Procedure: administer reading quiz on chapters 12 and 13. Discuss gravitational fields, weight, weightlessness, tides, black holes.
Thursday
Objectives: students will be able to
define satellite
distinguish between circular and elliptical orbits
distinguish between apogee and perigee
describe the energy of a satellite in different orbital positions
define and explain escape speed
Procedure: discuss satellite motion. Review for a test on chapters 12-14 by going over review questions, review sheets for chapters 12-14.
Homework: study for a test on chapters 12-14 on Monday.
Friday
Administer test on chapters 12-14.
Week of January 16, 2012
MondayTuesday
Homework, due Wednesday: review questions for chapter 9
Wednesday
Objective: students will be able to demonstrate knowledge of concepts covered in chapter 9 by taking a test.
Procedure: Administer test on chapter 9, circular motion. Students will take notes on chapter 10, Center of Gravity.
Thursday/Friday
Objectives: Students will be able to
Define center of gravity
Find center of mass of regular and irregular objects
Compare stable vs. unstable equilibrium
Procedure: cover topics in chapter 10 to achieve objectives. Distribute concept development page to check comprehension.
Homework: take notes on chapter 11.
Tuesday
Demos: spin water in a bucket, spin platform on which a jar of water is placed, show a marble in a petrie dish, play a few seconds of Revolution on a turntable.
Procedure: students will complete a web packet on circular motion.
Objective: students will be able to
Procedure: Students will perform a lab on centripetal force using stoppers on strings weighted with washers.
Week of January 2, 2012
Tuesday
Objective: bridge projects will be massed and tested, to determine maximum weight held.
Procedure: mass bridges and test using the Bridge Buster. Grades will be based on the mass of the bridge and weight held.
Wednesday
Homework: do review questions for chapter 8 on energy.
Homework: study for quiz on chapter 8 on machines.
Friday
Objective: students will be able to demonstrate knowledge of concepts covered in chapter 8 by taking a quiz.
Procedure: Administer quiz on machines
Monday/Tuesday
Objectives: students will be able to
1. State the law of conservation of momentum
2. Give examples explained by the law of conservation of momentum
3. solve problems using momentum vectors
Procedure: continue with chapter 7 on momentum, discuss
conservation of momentum, momentum vectors. Students will work on
momentum worksheets.
Homework: review questions on chapter 7, due Wednesday.
Wednesday
Objective: students will review of concepts covered in chapter 7
Procedure: conduct review of concepts covered in chapters 6 and 7
by answering homework questions. Distribute worksheet on momentum.
Go over worksheets on momentum.
Homework: study for test on chapters 6 and 7 on momentum.
Thursday
Objective: students will be able to demonstrate knowledge of
concepts covered in chapters 6 and 7 by taking a test.
Procedure: Administer test on chapters 6 and 7, action and
reaction, momentum
Homework: take notes on chapter 8 for a reading quiz on Friday.
Friday
Objectives: students will be able to
1. Define energy, work, power, mechanical advantage
2. Discuss phenomena explained by concepts of energy, work, power
and mechanical advantage
Procedure: administer reading quiz on chapter 8, discuss sections
in the chapter to cover the above topics. Two worksheets will be
used to check comprehension.
Week of November 21, 2011
Monday/Tuesday
Objectives: students will be able to
define momentum
define impulse
give at least two situations where momentum helps explain physical
phenomena.
Procedure: Administer reading quiz on chapter 7, continue with
chapter 7 on momentum. discuss conservation of momentum,
collisions, momentum vectors. Students will work on momentum
worksheet and concept development page 7-1.
Wednesday
Objectives: students will be able to
Study momentum in a skateboard activity.
Work cooperatively in groups
Procedure: students will perform a lab on momentum.
Thursday/Friday
No school
Week of November 14, 2011
Monday/Tuesday
Objectives: students will be able to
Use Newton’s second law to solve problems
Procedure: continue discussing chapter 5, Newton’s second law and
pressure, show examples, distribute F=ma worksheet. Review by
returning labs and homework sheets.
Wednesday
Objectives: students will be able to
Explain concepts using Newton’s Laws
Use Newton’s first and second laws to solve problems
Procedure: Administer test on chapters 4 and 5.
Homework: students will take notes on chapter 6 for a reading quiz
on Thursday.
Thursday/Friday
Objectives: students will be able to
Explain that interacting objects exert forces on each other
Explain action and reaction
Procedures:
Administer chapter 6 reading quiz
Discuss chapter 6 on action and reaction
Week of November 7, 2011
Monday
Objectives: students will be able to
1. Explain concepts using Newton’s Laws
2. Use Newton’s first and second laws to solve problems
Procedure: Explain and discuss pressure, work on problem set.
Homework: finish car project.
Tuesday
No school
Wednesday
Objectives: students will demonstrate car projects.
Procedure: Students will be given at least two tries to run their
cars in the hallway outside the classroom. The grade will be based
on distance traveled. In previous years, a distance of 15 blocks
(30 feet) earned a grade of 92.
Thursday/Friday
No school
Week of October 31, 2011
Monday
Objectives: students will be able to
1. Define net force
2. give examples
3. find net force on an object
Procedures:
Demonstrate concepts of net force. Show spring balances at
different angles on a 1 kg mass. Show rope deflection. Students
will find the net force of multiple vectors.
Homework: take notes on chapter 5 for a reading quiz on Tuesday.
Tuesday/Thursday
Objectives: students will be able to
1. Define Newton’s second law, give examples
2. Use Newton’s second law to solve problems
Procedure: Administer reading quiz on chapter 5 (Tuesday). Discuss
chapter 5, Newton’s second law and pressure, show examples,
distribute F=ma worksheet.
Wednesday
Objectives: students will be able to
1. Demonstrate understanding of Newton’s second law
2. Demonstrate Newton’s Second Law of Motion
3. Work cooperatively in groups
Procedure: Students will do the lab Getting Pushy on Newton’s
Second Law of Motion. Students will write up and submit the lab
report.
Friday
Objectives: students will be able to
1. Explain concepts using Newton’s Laws
2. Use Newton’s first and second laws to solve problems
Procedure: do selected review questions, chapter 5.
Answers to review questions:
1. A vector quantity gives magnitude and direction. A scalar is magnitude only.
2. Speed tells you how fast you are going. Velocity tells you how fast and in what direction.
3. A 2 cm long vector would represent a velocity of 20 km/h.
6. A vector at 45 degrees to the horizontal will be longer than its components by 1.41 times (the square root of 2).
8. There is no horizontal force on the projectile. The only force is gravity pulling the projectile down.
10. Both balls hit the ground at the same time.
11. a. 5 m. b. No. See number 8.
12. 90 degrees for greatest altitude. 45 degrees for greatest range.
13. 20 m/s.
15. A satellite.
44. A ball dropped from a height of 20 meters will take 2 seconds to hit the ground, using d=1/2gt^2. The thrown ball also takes 2 seconds to fall. It goes 60 meters in 2 seconds. Its speed is therefore 60/2=30 m/s.
Week of October 24, 2011
Monday
Objectives: students will review of concepts covered in chapter 3
Procedure: conduct review of concepts covered in chapter 3. Go
over worksheets on vectors. Students will finish vector worksheets
if not completed.
Homework: study for test on chapter 3 on vectors. Do review
questions 1-3, 6, 8, 10, 11, 12, 13, 15, 44
Tuesday
Objective: students will be able to demonstrate knowledge of
concepts covered in chapter 3 by taking a test.
Procedure:
Administer test on chapter 3, vectors.
Homework: take notes on chapter 4 for a reading quiz on Wednesday.
Wednesday/Thursday
Objectives: students will be able to
1. compare Aristotilean vs. Galilean concepts of motion
2. distinguish between mass and weight
3. define inertia and give examples
Procedures:
Administer chapter 4 reading quiz (Tuesday)
Start chapter 4 on inertia, cover Aristotle and Galileo
Students will complete the Concept-Development Practice Page on
Newton’s First Law of Motion – Inertia.
Friday
Objectives: students will be able to
Demonstrate understanding of Newton’s second law
Demonstrate Newton’s Second Law of Motion
Recognize graphs of constant velocity, acceleration
Work cooperatively in groups
Procedure: students will perform the lab Getting Pushy on Newton’s
Second Law of Motion, write up the lab report in class.
Week of October 17, 2011
Monday
Objectives: students will be able to graphically find the
resultant of two vectors.
Procedures:
1. continue discussion on vectors, components of vectors
2. work on vector problem packet
Tuesday/Wednesday
Objectives: students will be able to
1. separate projectile motion into horizontal and vertical vectors
2. calculate time of flight for a projectile
3. calculate velocity of a projectile knowing its range
Procedure: discuss projectile motion.
Thursday
Objectives: students will review of concepts covered in chapter 3
Procedure: conduct review of concepts covered in chapter 3 by
answering homework questions. Go over worksheets on vectors.
Students will finish vector worksheets if not completed.
Homework: study for test on chapter 3 on vectors.
Friday
Objective: students will be able to demonstrate knowledge of
concepts covered in chapter 3 by taking a test.
Procedure:
Administer test on chapter 3, vectors.
Homework: take notes on chapter 4 for a reading quiz on Monday.
Week of October 10, 2011
Monday
No School
Tuesday
Objective: students will demonstrate their egg planes.
Procedure: weather permitting, students will fly egg planes.
Students will be given two tries to fly their plane, the grade
will be based on best distance, integrity of egg after flight, and
disposition of the plane after launch (throw it away!). If weather
is poor, see below.
Wednesday
Objectives: students will be able to define vector and scalar
quantities.
Procedure: discuss vector, scalar quantities. Review Pythagorean
Theorem. Hand out Concept Development page 3-2 for guided
practice.
Demonstrations: addition of velocity vectors with moving car on
moving platform, also three students on a rope: two pull on the
ends, one pushes down in the center.
Thursday
Objectives: students will be able to graphically find the
resultant of two vectors.
Procedures:
1. continue discussion on vectors, components of vectors,
components of weight
2. return Practice Page 3-2 and discuss graphical vector addition
3. work on page one of the vector problem packet
Friday
Objectives: students will be able to
1. separate projectile motion into horizontal and vertical vectors
2. calculate time of flight for a projectile
3. calculate velocity of a projectile knowing its range
Procedure: discuss projectile motion.
Demonstrations: spring-loaded steel ball launcher showing that a
ball will fall vertically at the same speed as a ball launched
horizontally. Shoot-the-monkey apparatus.
Week of October 3, 2011
Monday/Tuesday
Objectives: students will be able to solve problems using concepts
and equations of velocity and acceleration.
Procedure: Continue working through packet on velocity and
acceleration. Review for test.
Homework: review questions for chapter 2, due Tuesday.
Wednesday
Objective: students will demonstrate knowledge of concepts covered
in chapter 2.
Procedure: administer test on chapter 2.
Homework: read chapter 3, take notes for a reading quiz on
Thursday.
Thursday
Objectives: students will be able to define vector and scalar
quantities.
Procedure: administer reading quiz on chapter 3, discuss vector,
scalar quantities. Review Pythagorean Theorem. Hand out Concept
Development page 3-2 for guided practice.
Friday
Objectives: students will be able to
Study vectors by determining optimum launch angle for a water
balloon to achieve greatest distance
Work cooperatively in groups
Procedure: weather permitting, students will perform a lab on
vectors. Plans for Thursday/Friday may be interchanged with the
vector activity taking place on the day with better weather.
Week of September 26, 2011
Monday
Objectives: students will be able to
1. Define linear motion, speed, velocity, acceleration, free fall
2. measure distance per unit time
3. calculate velocity
4. calculate height of bleachers by dropping an object
Procedure:
1. Finish acceleration worksheet.
2. weather permitting, students will perform Physics Race, find
their speed and acceleration for several activities: walking,
hopping, running, etc., determine the height of the bleachers.
Tuesday/Wednesday
Objectives: students will be able to
1. Define linear motion, speed, velocity, acceleration, free fall
2. Give examples of each
Procedure:
Cover the concepts in the objectives using lecture and
demonstrations as needed. Distribute and start working through
packet on velocity and acceleration.
Demos: use data from Physics Race, car and ball on track as
examples of constant velocity and acceleration, ball on a string
to show changing velocity.
Homework: continue working on the egg plane.
Thursday/Friday
No school
Week of September 19, 2011
Monday/Tuesday
Objective: students will review for chapter 1 test.
Procedure: Finish pendulum lab begun on Friday. Distribute chapter
1 review. Go over homework responses on Tuesday to prepare
students for the chapter test, review lab activities.
Homework: study for chapter 1 test.
Wednesday
Objective: students will demonstrate knowledge of concepts covered
in chapter 1.
Procedure: administer test on chapter 1.
Homework: read and take notes on chapter 2 to prepare for a
reading quiz on Thursday.
Thursday
Objectives: students will be able to
1. Define linear motion, speed, velocity
2. Give examples of each
3. Solve problems using the definition of velocity
4. Rearrange equations to solve for each variable.
Procedure: Administer reading quiz for chapter 2. Define velocity.
Use lecture and demonstrations as needed. Distribute and work
through velocity worksheet.
Friday
Objectives: students will be able to solve problems using concepts
and equations of velocity and acceleration.
Procedure: Check velocity comprehension with more exercises.
Continue with acceleration worksheet. Show demonstrations as
appropriate.
Homework: continue to design and build a plane using cardboard and
clear tape which will safely carry an egg, due Tuesday, October
11.
Week of September 12, 2011
Monday/Tuesday
Objectives: students will be able to
1. match an equation with a graph of the equation
2. find a constant from graphical data for four kinds of equations
3. rearrange equations to find expressions for different variables
Procedures:
1. discuss graphs and equations, work through Relationships from
Graphs packet
2. students will prepare several graphs using graph paper, rulers
and colored pencils (provided), students will turn in the graphs
for evaluation
3. Administer reading quiz on Tuesday
Wednesday
Objectives: students will be able to
1. experimentally determine the relationship between distance and
time for two objects
2. match an equation with a graph of the equation
3. find a constant from graphical data for three kinds of
equations
4. work cooperatively in groups
Procedures: Students will do a lab activity, Graphing Lab, in
which students study the motion of a ball on a track and a
battery-operated buggy. Students will decide which parameters are
important, describe a brief procedure, graph data and report
results.
Homework: write up lab report if not completed in class.
Thursday
Objectives: students will be able to
1. define physics
2. state and apply the scientific method
3. distinguish between science and technology
Procedures:
1. discuss topics covered in chapter one
2. Introduce plane project.
Homework: on page 8, answer questions 1-10
Friday
Objectives: students will be able to
1. Determine the period of a pendulum
2. Determine an equation of motion of the pendulum by analyzing
the data
3. Present results in a lab report
Procedure: students will determine the period of a pendulum and
determine an equation that describes the motion of the pendulum.
Students will use their data to determine the period of a
different pendulum on display in the classroom.
Week of September 5, 2011
Monday Labor Day, no school
Tuesday/ Wednesday
Objectives: students will be able to
1. state course goals and expectations
2. find relationships, patterns by completing sequences
Procedure:
1. Assign seats, take roll, give overview of the course, including
goals and expectations, distribute Classroom Rules and
Consequences, department conduct and safety rules.
2. Discuss physics, emphasizing the importance of relationships,
patterns
3. Discuss projects
4. Students will work on patterns worksheet while receiving
textbooks
Homework: return signed parent/guardian form, cover books by Friday.
Thursday/Friday
Objectives: students will be able to
1. recognize metric system units, convert from one unit to another
2. match an equation with a graph of the equation
3. find a constant from graphical data for three kinds of
equations
4. rearrange equations to find expressions for different variables
Procedures:
1. complete book distribution if not completed on Tuesday
2. discuss graphical presentation of data
3. discuss graphs and equations, work through Relationships from
Graphs packet
4. students will prepare several graphs using graph paper, rulers
and colored pencils (provided), students will turn in the graphs
for evaluation
Homework: Complete portions of graphing packet, if not completed
in class by Monday.