2. Simple Machines Jeopardy! Ms. Drye’s 3 rd Graders

3. 11 22 44 3 4 Levers & Screws Pulleys & Wh/Axle Work/ Force/ Motion MORE! 333 2 4 2 1 5555 1 Extra Review 1 2 3 4 5

4. Column 1, #1 A lever is made up of a bar that turns on a fixed point called a _____. fulcrum

5. Column 1, #2 A ____ is a stiff bar that moves about a fixed point. lever

6. Column 1, #3 screw A jar lid is a type of ______.

7. Column 1, #4 List three examples of levers. Correct answers include: seesaw, crowbar, wheelbarrow, broom, rake, mop, pliers, catapult, scissor handles

8. Column 1, #5 Jar lid, screw, seat (stool), light bulb, C-clamp, List 3 different types of screws.

9. Column 2, #1 Flagpole, blinds Give 2 examples of pulleys.

10. Column 2, #2 Pulley. This simple machine is made up of a rope or chain and a wheel around which the rope fits.

11. Column 2, #3 wheel A wheel and axle is made up of a large ______ attached to a smaller wheel or rod.

12. Column 2, #4 Car/scooter/skateboard wheels, doorknobs, roller skates Give 3 examples of wheels and axles.

13. Column 2, #5 What simple machines can lift heavy objects by changing the direction of the force? pulley

14. Column 3, #1 How do you know if work has been done? If an object moves

15. Column 3, #2 A force is a _____ or a _____. push, pull

16. Column 3, #3 What are you measuring when you trace and measure an object’s position over time? motion

17. Column 3, #4 Shooting a basketball Which is an example of work: carrying a basketball, or shooting a basketball?

18. Column 3, #5 Straight, circular, curved, back and forth Name 2 different motions an object could do.

19. Column 4, #1 Wrapping an inclined plane around a pole makes a _______. screw

20. Column 4, #2 wedges The blades of knives, axes, and scissors are all examples of _______.

21. Column 4, #3 inclined plane A flat surface that has one end higher than the other is an ________ ______.

22. Column 4, #4 Screw. A spiral staircase is an example of this simple machine.

23. Column 4, #5 force; farther Even though it takes less ______ to move an object up a ramp, you have to push it _______. (THINK OF TWITCH!!! )

24. Column 5, #1 Simple Machines make work __________. easier

25. Column 5, #2 What pulls an object down a ramp or hill? gravity

26. Column 5, #3 Lever, pulley, wheel & axle, inclined plane, screw, and wedge. List the six simple machines in any order.

27. Column 5, #4 bike Which object is a compound machine?

28. Column 5, #5 Friction is a force that ____ ____ a moving object. slows down