1. In order to describe the motion of an object, you need a fixed point also known as a ____________________________.
2. What are three ways that the velocity of an object can change?
3. What is the difference between speed and velocity?
4. Do all objects fall at the same rate on Earth? What affects the rate of acceleration on Earth that is not true on the Moon?
5. When a skydiver uses a parachute, what are they increasing to slow the rate of free fall?
6. The law that states that energy is not created or destroyed, it just changes form.
7. When the downward pull of gravity equals the upward force of air resistance, what is true for a falling object?
8. Why does a shot bullet hit the ground at the same time as a dropped bullet from the same height?
9. The ability to do work.
10. Stored energy found in food and fuels.
11. As an object falls toward Earth, it gains ______________ energy as it loses potential energy.
12. A car travels 100 miles in 2 hours. What is the average speed of the car?
13. A bicycle is stopped at the top of a hill. As the bicycle travels down the hill it reaches 10 meters/sec in 2 seconds. What is the rate of acceleration of the bicycle?
14. The straight-line length between a starting point and an ending point of motion.
15. What happens to the gravitational pull of an object as mass of the object increases?
16. What happens to the gravitational pull of an object if the mass stays the same but the volume is made smaller (increasing the density of an object)?
