By Stephen Pegler on
Wednesday, November 14, 2007
These all refer to the demonstrations a week ago:
1. Explain how the Newton's Rocker shows the conservation of energy.
2. Explain how the red liquid in the container showed inertia.
3. Why did the two steel balls hit the ground at the same time in the "monkey shooter" demonstration?
4. Explain the movement of someone on a swing in terms of PE & KE.
5. How did the two carts demonstrate that F=m*a?
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By Stephen Pegler on
Monday, November 05, 2007
1. Explain why the ball flies as it leaves the sling in the trebuchet.
2. Explain the energy transfer as the trebuchet launches the ball.
3. Define momentum.
4. Why do we use a control setup in an experiment?
5. List two different metric units for measuring volume.
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By Stephen Pegler on
Thursday, November 01, 2007
1. What is the formula for speed or velocity?
2. A trebuchet changes _________________ energy into __________________ energy.
3. If a car starts a course at 30 mph and one hour later has reached 90 mph, what is its acceleration?
4. On what axis should the independent variable be graphed?
5. What is the difference between speed and velocity?
6. Get ready for the quiz today!!
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By Stephen Pegler on
Wednesday, October 31, 2007
1. Convert 254 m to cm.
2. Explain what two factors controlled the amount of potential energy in the trebuchet.
3. What happens to much of the energy in a system as it is converted from one type of energy to another?
4. Why is it important not to carry out unauthorized experiments?
5. 1 ml is the same as what other volumetric measurement?
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By Stephen Pegler on
Monday, October 22, 2007
1. What is a force?
2. What causes things to move?
3. If something moves 50 m in 5 s, what is its average velocity?
4. If that item was going 10 m/s before, what is its average acceleration?
5. What is kinetic energy?
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By Stephen Pegler on
Monday, October 22, 2007
1. What is inertia?
2. What is the formula for velocity?
3. Find the average velocity if the distance traveled is 100 m in 50 s.
4. Find the average acceleration from #3 if the initial velocity is 0 m/s.
5. What is potential energy?
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By Stephen Pegler on
Monday, October 08, 2007
1. When creating a graph, how many titles/labels must you have?
2. What was the force that caused the balls/cars to move in the lab that we did on Friday?
3. What happened to the velocity of the balls as the table was raised more?
4. What is inertia?
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By Stephen Pegler on
Thursday, October 04, 2007
1. How are larger chemical spills to be cleaned up?
2. Where should broken glass be placed?
3. What is the formula for speed?
4. How are speed and velocity different?
5. What are the units for velocity?
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By Stephen Pegler on
Monday, October 01, 2007
1. Which has more inertia, a mole or an elephant? Why?
2. Define "force."
3. What is perhaps the second most common force in the world? (Hint: It slows things down.)
4. What would be the most common force in the world?
5. Find the density of an object that is 200 g and is regularly shaped: 10 cm x 5 cm x 1 cm.
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By Stephen Pegler on
Sunday, September 30, 2007
1. Absolute zero is _________ 0C
2. Which is larger, km or m?
3. When entering answers on a scan sheet, where do answers a-e go?
4. What units is speed in?
5. How many sig figs in 5.2007 x 3.218 x 1.112509 / 85.695?
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