Lesson 15 Science Vocabulary

1. An object is considered “balanced” if it has the same amount of force on both
sides.

2. Opening a paint can with a screwdriver is an example of a lever.

3. Your arm can act like a lever.

4. A teeter-totter on the playground is an example of a lever.

5. A balanced lever has the same force on both sides.

6. In this activity, force was added to both sides to balance the ruler.

7. A wheel cannot be a lever.

8. When the ruler had more pennies on one side than the other there was more force
on one side than the other.

9. To balance two students of unequal weight on a teeter-totter, move the heavier
student closer to the middle.

10. The “pivot point” of a lever is called the fulcrum.