1. Force and Motion Review

2. Forces Chapter 5 section 2  Vocabulary: Force, Inertia, Mass  How does Newton’t 1 st Law of motion explain why you need to wear a seat belt?  Explain what happens when forces on a car are balanced. What if the car is moving?  Explain what happens when forces on moving car are unbalanced.

3. Friction Chapter 5 section 3  Vocabulary; Friction  How does friction work? What kind of force is it?  What causes friction to increase or decrease?  How does friction affect the marble on your roller coaster?  How does friction affect a poster taped to a wall?  How does friction affect you when you are riding a bicycle?

4. Gravity Chapter 5 Section 4  Vocabulary: Gravity  What kind of force is Gravity? How does it work?  How did gravity affect the marble on your roller coaster?  What are two factors that affect gravity?  How does gravity affect a poster taped to the wall?  How does gravity affect you when you ride a bicycle?

5. Mass vs. Weight  Vocabulary; Mass, Weight  What does mass measure?  What does Weight measure?  If I go to outer space, what changes; Mass or Weight? Why?  If I change my mass, what happens to my weight? Why?  Why is understanding the difference between mass and weight challenging?