1. Which toy horn will produce the higher pitched sound?
A. A
B. B
C. No difference

2. Which arrow shows the path of a ball thrown by hand?
A. A
B. B
C. C

3. Which object would make a stop-and-go turning motion?
A. A
B. B
C. C

4. Which way should the drill turn as it is forced into the piece being drilled?
A. A
B. B
C. Doesn't matter

5. Which lever would require less force to lift the weight?
A. A
B. B
C. No difference

6. The metal cap on the glass bottle is stuck. Which will make it easier to turn?
A. Hot water
B. Cold water
C. No difference

7. Which pulley is running the fastest?
A. A
B. B
C. C

8. A zipper is hard to zip. Which would make it easier?
A. Soap
B. Sandpaper
C. No difference

9. The balloons are filled with the same amount of air and then put in different rooms. After a few minutes, in which room will the balloon be bigger?
A. 20°C
B. 40°C
C. No difference

10. Which soldering iron of equal weight will cool faster?
A. A
B. B
C. No difference

11. To construct a square using the largest piece at left, what shape tiles must be added?
A. A
B. B
C. No other tile needed

12. What cools most microwave ovens?
A. Fan
B. Radiator
C. Neither

13. Which saw would go through a thick board faster?
A. A
B. B
C. No difference

14. You want to hang three pictures evenly spaced, side-by-side upon a wall. Which dimension is more important to know?
A. The length
B. The width
C. Both

15. Which scissors would cut a thick piece of cardboard best?
A. A
B. B
C. No difference

16. Which heating method is more efficient for a room?
A. Fireplace
B. Wood stove
C. No difference

17. Which object would reach the ground first?
A. A
B. B
C. No difference

18. Each gear rotates about its own axis. Gear A is driven in a clockwise manner. In what direction and at what speed will Gear C turn with respect to Gear A?
A. Clockwise and faster than A
B. Clockwise and slower than A
C. Counterclockside and faster than A

19. Pam is riding in a railroad box car, which is going north at a constant 35 mph. She jumped 2 feet straight up. When she landed, what was her position in the box car?
A. A few inches behind the original spot
B. On the original spot
C. A few inches ahead of the original spot

20. Which object will float higher in water?
A. Apple
B. Pepper
C. No difference

21. Which wire would have greater resistance?
A. A
B. B
C. No difference

22. Which would be a better conductor of electricity?
A. Copper wire
B. Aluminum wire
C. No difference

23. Find the total resistance from A to C
A. 3 ohms
B. 4 ohms
C. 5 ohms
D. 7 ohms
E. 23 ohms

This figure is an electrical circuit. The current flows as shown by the arrows. Resistance is equal to the sum of the values for the resistors. Use the table to find the value for the resistors.

24. What is the total resistance from B to D
A. 13 ohms
B. 14 ohms
C. 15 ohms
D. 16 ohms
E. 17 ohms

25. In Area 3, if all valves are open, which column will fill last?
A. Column A
B. Column B
C. Column C
D. Column D

26. In Area 3, if all valves are open except 3, 6, and 7, which column will fill first?
A. Column A
B. Column B
C. Column C
D. Column D

27. In Area 1, to prevent liquid from flowing into column 20 from Column 21, you must close
A. Valve A
B. Valve B
C. Valve C
D. Valve D

28. In Area 1, if valve D is closed, liquid will not flow beyond
A. The mixer
B. Column 20
C. Column 21
D. Column 22

29. The signal on line 1 is off between
A. G and H
B. F and G
C. D and C
D. C and B

30. The signal on line 2 is off between
A. D and E
B. F and G
C. A and B
D. C and D

31. Which of the following boxes is NOT outputting a signal on Line 1?
A. H
B. B
C. G
D. D

32. The signal on line 1 is off between
A. E and D
B. F and C
C. F and A
D. A and B

33. The signal on line 2 is off between
A. A and B
B. A and F
C. H and E
D. B and G

34. Which of the following boxes is NOT outputting a signal on line 2?
A. A
B. B
C. H
D. C

35.
A. A
B. B
C. C
D. D

In order for the connection between points 1 and 2 to be complete, the current must pass through 5 contacts in exactly the following order:


Refer to this schematic to determine which connection is complete.

36.
A. A
B. B
C. C
D. D

In order for the connection between points 1 and 2 to be complete, the current must pass through 5 contacts in exactly the following order:


Refer to this schematic to determine which connection is complete.

37.
A. A
B. B
C. C
D. D

In order for the connection between points 1 and 2 to be complete, the current must pass through 5 contacts in exactly the following order:


Refer to this schematic to determine which connection is complete.

38.
A. A
B. B
C. C
D. D

In order for the connection between points 1 and 2 to be complete, the current must pass through 5 contacts in exactly the following order:


Refer to this schematic to determine which connection is complete.

39.
A. A
B. B
C. C
D. D

In order for the connection between points 1 and 2 to be complete, the current must pass through 5 contacts in exactly the following order:


Refer to this schematic to determine which connection is complete.

40.
A. A
B. B
C. C
D. D

In order for the connection between points 1 and 2 to be complete, the current must pass through 5 contacts in exactly the following order:


Refer to this schematic to determine which connection is complete.