Mr. Z's  Daily Internet Homework *  Mr. Z's Ancient Egypt Unit Part I:  Force  & Gravity What is Force? Lesson Review
1. A force is either a  ____ or a _____.
2. Weight is the force of ______.
3. Which scientist discovered gravity?
4. In the universe  ____ objects  are attracted by gravity.
5. What two factors influence the force of gravity?
6. The greater the mass, the  ___ the force of gravity.
7. The greater the distance, the ____ the force of gravity. How is motion described?

1.      Motion is a ______ in _______.

2. What is the difference between average speed and instantaneous speed?

Mr. Zim travels east (in a straight line) 500 meters in 1 hour.   He then travels 200 meters west in 1/2 hour.

1. How much distance did he travel. (show work)

2. What was Mr. Zim's average speed. (show work)

3. Which part of his trip had a higher average speed?  (show work)

4. What was his total displacement? (show work)

5. The difference between speed and velocity, is that velocity includes a  --------- component.

What is acceleration?

1. A Zim is traveling at 50m/s.  10 seconds later the Zim is then traveling at 70m/s. What is the acceleration?

2. A Zim is traveling at 50m/s.  10 seconds later the Zim is then traveling at 40m/s. What is the acceleration?

3. If acceleration is zero, can there still be a velocity.

4. If acceleration is increasing, what is velocity doing.

5. If acceleration is decreasing, what is velocity doing?  Would distance traveled still increase?

What is motion and Forces?

1.      What is a force?

2.      What is the SI unit of force?

3.      Compare balanced forces to unbalanced forces.

What are the first two laws of motion?

1.      Who developed the three laws of Motion?

2.      What is the first law of Motion?

3.      What is inertia?

4.      In regards to the 1st law of motion, why did engineers develop safety belts in cars?

5.      What is the second law of motion?

6.      In F =ma  what do  the variable stand for?

What is Gravity?

1.      Anything that has mass is attracted by ______.

2.      What two variable determine gravity?

3.      Which of the above variables are directly proportional?  What are indirectly proportional?

4.      What is the difference between weight and mass?  Which is a measure of gravity?

What is the 3rd Law of Motion?

1.      Describe the 3rd law of motion.

Isaac Newton Tutorial and Activities (Click Here)

Newton's Laws PowerPoint

Part II:  Friction & Simple Machines

What is Friction?   Lesson Review
1.  What force does a spring scale measure?
2.  What are the three main parts of a spring scale?
3.  What is the metric measure of force?
4.  What is rolling friction?
5.  What is sliding friction?
6.  Does friction make movement easier?

How could the Egyptians reduce friction? Lesson Review
1. What are the two ways the Egyptians reduced friction? 2. What does the word lubricant mean?
3. List at least three lubricants?
4. What might the Egyptians have used for lubricants?
5. When you reduce friction, is it harder to move an object?   What is work?   Lesson Review
1. What is the formula for work?
2. Work is measured in which unit? 3. Force is measured in which unit?
4. Distance is measured in which unit?
5. When I lift my briefcase, am I doing work?
6. When I carry it to school, am I doing work?
7. What does work require inorder to occur? The Ultimate "Rube Goldberg" Machine (click Here)

What is Mechanical Advantage? Lesson Review
1. Why do people use machines?
2. What is the effort force?
3. What is the resistance force?
4. Distinguish between the terms "ideal mechanical advantage and "actual mechanical advantage".
5. What single word describes why the A.M. less then the ideal M.E.
6. What is the formula for Mechanical Advantage?

Did the Egyptians use simple machines ? Lesson Review
1. What are some simple machines?
2. What is the center of a lever called?
3. What is the formula for work?
4. What does the "law of levers tell us"?
5. How do you calculate the MA of a lever? Did the Egyptians use pulleys? Lesson Review   Pulley Lab
1.   What are the two types of pulleys?
2.  A pulley can two one of two things.  What are they?
3.  A fixed pulley ____ the direction of the effort force.
4.  A movable pulley  _____ the size of the effort force.
5.  How might the ancient Egyptians used pulley or pulley systems?

Did the Egyptians use inclined planes?   Lesson Review

1. How do you calculate the MA of an inclined plane?
2. Does an inclined plane increase OR decrease the level of effort to raise an object
3. How many joules does it take to lift a 300N object 1 meter?
4. How long would a ramp have to be to lift the same object using only 100N of force?
5. How might the ancient Egyptians have used inclined planes AND wedges ? How did they build the Pyramids? Lesson Review
1. Research and explain the building of a pyramid
2. Click Mr. Z's Pyramid Building Page for the assignment  For Egypt, Friction, Work, Test Review

What is the Mistery of Giza?   What do these pictures have in common?     Part III:  Cubits & Measuring, Mummification, Rope

Cubits:

 Web Quest Questions Lab Surveyor Quest Questions Activity

Mummification: What was mummification? Lesson Review
1. Why did the Egyptians mummify people?
2. What was the name of the chemical used in mummification?
3. What did the Egyptians often do with the vital organs of mummys? For each of the following Web Quests below: First print the Questions Sheet

and then read the indicated passages by clicking the Web Quest link.

 Web Quest on Mummys Questions #1 Science Mummy Quest Questions #2 More Mummy Quest Questions #3 Visit Egypt Quest Mr. Z's Egypt Page

Rope Making:  Part IV:  Other Egyptian Lessons How did the Egyptians tell time?     Lesson Review 1. What was the name for a water clock?
2. What advantage do water clocks have over sundials or "shadow clocks"?
3. Which two cultures made further progress on the technology of a water clock? WebQuest:  Water Clock WebQuest   Extended Learning Option: Extended Learning Option  Are you and Archeologist