1. Force, motion, and simple machines
4th grade Science review - Askew

2. For the first few questions, you will use a word bank to help you “fill in the blank.”
force motion friction speed
gravity work simple machine inclined plane
lever wheel and axle pulley
wedge screw

3. A ________ is two inclined planes that are back to back.

4. A ________ is a push or a pull.

5. The force that pulls two objects together is called ___________.

6. _________ is using energy to make something happen.

7. A __________________ is a wheel with a bar passing through the center.

8. A ________________ is something that makes work easier.

9. When two objects rub against each other, resistance happens
When two objects rub against each other, resistance happens. This is called ____________.

10. The rate of movement or how fast or slow something moves is called ___________.

11. An _____________ is a tilted ramp that helps move things.

12. A ________ is a bar or plank that lifts on a fixed point called the fulcrum.

13. ____________ is the movement or change in position.

14. A ________ is a rope that is passed around a wheel that makes it easier to lift things.

15. Name the simple machine that the picture shows.
INCLINED PLANE
LEVER
WHEEL AND AXLE
PULLEY
WEDGE
SCREW

16. A ________ is an inclined plane that is twisted into a spiral
A ________ is an inclined plane that is twisted into a spiral. It can help hold things tight.

17. Name the simple machine that the picture shows.
INCLINED PLANE
LEVER
WHEEL AND AXLE
PULLEY
WEDGE
SCREW

18. Name the simple machine that the picture shows.
INCLINED PLANE
LEVER
WHEEL AND AXLE
PULLEY
WEDGE
SCREW

19. Name the simple machine that the picture shows.
INCLINED PLANE
LEVER
WHEEL AND AXLE
PULLEY
WEDGE
SCREW

20. Name the simple machine that the picture shows.
INCLINED PLANE
LEVER
WHEEL AND AXLE
PULLEY
WEDGE
SCREW

21. Name the simple machine that the picture shows.
INCLINED PLANE
LEVER
WHEEL AND AXLE
PULLEY
WEDGE
SCREW

22. Name the simple machine that the picture shows.
INCLINED PLANE
LEVER
WHEEL AND AXLE
PULLEY
WEDGE
SCREW

23. Name the simple machine that the picture shows.
INCLINED PLANE
LEVER
WHEEL AND AXLE
PULLEY
WEDGE
SCREW

24. Name the simple machine that the picture shows.
INCLINED PLANE
LEVER
WHEEL AND AXLE
PULLEY
WEDGE
SCREW

25. Name the simple machine that the picture shows.
INCLINED PLANE
LEVER
WHEEL AND AXLE
PULLEY
WEDGE
SCREW

26. Name the simple machine that the picture shows.
INCLINED PLANE
LEVER
WHEEL AND AXLE
PULLEY
WEDGE
SCREW