Unit 7 Homework Solutions

Below are links to the solutions for the Unit 7 worksheets.

Unit 7 Worksheet 1 Key

Unit 7 Worksheet 2 Key

Unit 7 Worksheet 3 Key

Unit 7 Worksheet 4 Key

The Time to Crack (An Egg's Journey)

On Thursday (2/25), we reviewed the energy topics that we have recently learned and briefly ventured into momentum.

CLASS ACTIVITIES
1) In Search of a Life Savers spark
2) Taboo into Review
3) Numberless Introduction into Momentum and Impulse

HANDOUTS
1) Momentum Pre-Quiz

HOMEWORK
1) Energy Take-Home Test (due 3/1)

Give Me a Lever Long Enough...

On Tuesday (2/23), we used several contraptions (pulleys, balances, levers, nutcrakcers) to observe torque and the benefits of leverage.

CLASS ACTIVITIES
1) Explanation of Power and Efficiency
2) Seeking a Mechanical Advantage stations
3) Discussion of Take-Home Test

HANDOUTS
1) Seeking a Mechanical Advantage
2) Energy Take-Home Test
HOMEWORK
1) Complete Energy Take-Home Test (due 3/1)

Progress Report Upcoming

After next Friday (2/26), the first progress report of the second semester will go out.  I just sent an email to everyone who has missing assignments unless you do not have an email address on file in Aeries.  


Please check your current grade and note any missing assignments.  I would be glad to help you get them all turned in next week.  Contact me if you have any questions about assignments (mholm@lgsuhsd.org).

Enjoy the rest of your break!

Take-Home Test Head Start

If you like, you are welcome to get started on the Energy take-home test (click on link below).  This is not due until March 1, but you may be looking for something to do during your break.
Unit 7 Take-Home Test
There are two topics on the test that we will cover next Tuesday in class.  But you can read about them, Power (p. 103) and Efficiency (pp. 112-114), in your textbook if you like.

Have a great break!

A Warm Day in February

On Friday (2/12), we evaluated the benefits of ramps and chilled out with heat loss.

CLASS ACTIVITIES
1) Review Quiz #1 and Recycled Energy Lab
2) Heat Demos
3) Smarter Not Harder Lab

HANDOUTS
1) Smarter Not Harder Activity sheet
2) Unit 7 Worksheet 4 (Unit 7 Worksheet 4 Blank)

HOMEWORK
1) Complete Unit 7 Worksheet 4
2) Complete Smarter Not Harder Lab

UPCOMING ITEMS
1) Energy Take-Home Test (given out 2/25; due 3/1)

Unit 7 Worksheet 3 CORRECTION

On Unit 7 Worksheet 3, problem #3 does not contain a mass for the car.  Assume the mass is 1,000 kg.

Auditing the Energy Bank

On Wednesday (2/10), we attempted to prove that energy is conserved and we burned paper without a flame.

CLASS ACTIVITIES
1) Review Worksheets 1 and 2
2) Coolest Demo of the Year
3) Unit 7 Quiz #1
4) Recycled Energy Lab

HANDOUTS
1) Recycled Energy Lab sheet
2) Unit 7 Worksheet 3 (Unit 7 Worksheet 3 Blank)

HOMEWORK
1) Complete Unit 7 Worksheet 3
2) Complete Recycled Energy Lab

UPCOMING ITEMS
1) Energy Take-Home Test (given out 2/25; due 3/1)

Unit 7 Homework Solutions

Below are the links to the homework solutions for Unit 7.

Unit 7 Worksheet 1 Key

Unit 7 Worksheet 2 Key

You Can't Take it All With You

On Monday (2/8), we examined how energy is conserved, and how it is lost.

CLASS ACTIVITIES
1) Energy in Threes notes (GPE, EPE, KE)
2) Conservation of Energy/Losses of Energy
3) Toy popper activity

HANDOUTS
1) Unit 7 Worksheet 2 (Unit 7 Worksheet 2 Blank)

HOMEWORK
1) Complete Unit 7 Worksheet 2
2) Complete Spring Lab Write-Up (bring one hard copy, no online submission)
3) Prepare for Quiz #1 (review Worksheets 1 and 2)

UPCOMING ITEMS
1) Spring Lab - Due Wednesday, 2/10
2) Unit 7 Quiz #1 - Wednesday, 2/10

Springs Coiled like Cobras

On Thursday (2/4), we ventured tentatively into the world of energy.

CLASS ACTIVITIES
1) Sprig Lab Data Analysis
2) Energetic Beginnings
3) Worksheet #1

HANDOUTS
1) Unit 7 Cover Sheet
2) Unit 7 Worksheet 1 (Unit 7 Worksheet 1 Blank)


HOMEWORK
1) Complete Unit 7 Worksheet 1
2) Work on Spring Lab Write-up
3) Test Corrections (Optional - due by Monday [2/8] tutorial)

UPCOMING ITEMS
1) Spring Lab - Due Wednesday, 2/10
2) Unit 7 Quiz #1 - Wednesday, 2/10

Testing Experiences

On Tuesday (2/2), we took our Unit 6 test.  Luckily, we won't have to repeat this Groundhog Day.


If you missed any of the worksheets from this unit, there are links to blank versions below.

Unit 6 - Worksheet 1 Blank

Unit 6 - Worksheet 2 Blank

Unit 6 - Worksheet 3 Blank

Unit 6 - Worksheet 4 Blank

Unit 6 - Worksheet 6 Blank

Unit 6 - Worksheet 7 Blank

Unit 6 Review - Projectile Motion Blank

Unit 6 Review - Circular Motion Blank