1. RED
1. What was Galileo’s theory of falling objects that he developed while dropping things from the Leaning Tower of Pisa? 2. Which would hit the ground first a tennis ball or a bowling ball? (no air resistance) 3. What is centripetal force? 4. What is free fall? 5. How does free-fall relate to weightlessness in space?

2. BLUE
1. What two factors make up orbital motion? 2. What is terminal velocity? 3. What happens when terminal velocity is reached? 4. What unit represents weight? 5. What unit represents mass?

3. GREEN
1. What is projectile motion? 2. What two factors are used to produce projectile motion? 3. What is an example of projectile motion? 4. What typically causes the horizontal motion in projectile motion? 5. What factors have to happen for there to be free fall?

4. ORANGE
1. What is inertia? 2. What is Newton’s First Law of Motion? 3. How does mass affect inertia? 4. What is the force that opposes motion? 5. What is an example of Newton’s First Law of Motion?

5. PINK
1. What is the unit of force? 2. What is the unit for acceleration? 3. What is Newton’s Second Law of Motion? 4. What is the formula that represents Newton’s Second Law of Motion? 5. What factors can increase air resistance?

6. PURPLE
1. What is the reaction force of a book sitting on a table? 2. What is Newton’s Third Law? 3. What is an example of Newton’s Third Law? 4. What are the units for velocity? 5. How does air resistance affect the speed of falling objects?

7. YELLOW
A ping pong ball rolls off a table and it takes 6 seconds for it to reach the ground. How fast was it traveling just before it hit the ground?
What is an orbit?
Why do astronauts in space appear weightless?
Why is it more difficult to change the motion of a watermelon than of an apple?
Which of Newton’s laws is shown when a sled slides on a flat, icy surface in a straight line at a constant speed?

8. BROWN
1. How far does a car traveling 10 m/s go in 40 seconds? 2. How much force is needed to cause a 50kg man to accelerate at a rate of 6.6 m/s2? 3. How long will it take a bike traveling 30 m/s to go 10 meters? 4. If you push on a 18kg buggy with a force of 4N, what will the cart’s acceleration be? 5. A car decreases its speed from 4.8 m/s to 1.2 m/s as it goes up a ramp. What is the acceleration if it took 5.3s to get up the ramp?