Jeopardy

1. Jeopardy Choose a category. You will be given the question. You must give the correct answer. If wrong, click the yellow icon. To return to the Jeopardy categories, click the “home” button. Click to begin.

2. Choose a point value. Choose a point value. Click here for Final Jeopardy

3. Category A Category B Category C Category D Category E 10 Point 10 Point 10 Point 10 Point 10 Point 20 Points 20 Points 20 Points 20 Points 20 Points 30 Points 30 Points 30 Points 30 Points 30 Points 40 Points 40 Points 40 Points 40 Points 40 Points 50 Points 50 Points 50 Points 50 Points 50 Points

4. What is the average speed of a car that travels 60 kilometers in 2 hours? 30 km/hr 30 km/hr/sec 60 km/hr 60 km/hr/sec

5. YOU A RE WRONG!

6. 30 km/hr

7. The speed of an object increases by 30 m/s in 10 s. What is its acceleration? 300 m/s2 20 m/s2 3 m/s2 0.33 m/s2

8. 3 m/s2

9. YOU A RE WRONG!

10. A boulder falls from a cliff. What is the boulder's acceleration during the fifth second of the fall? 2.0 m/s2 9.8 m/s 2 20. m/s2 98 m/s2

11. 9.8 m/s2

12. Sorry!

13. What forces are equal in size but opposite in direction? balanced frictional gravitational unbalanced

14. YOUR WRONG 

15. balanced

16. If a 6.0-N force is required to move a box through a distance of 2.0 m, how much work is done? 3.0 J 4.0 J 8.0 J 12.0 J

17. SORRY, TRY AGAIN

18. 12.0 J

19. Which of the following is an example of kinetic energy? a car not moving a rock resting on a ledge water falling over a dam a person sitting in a chair

20. YOUR WRONG 

21. water falling over a dam

22. Which term best explains what happens when a student warms his hand by placing it in a hot water bottle? thermal expansion conduction convection radiation

23. SORRY, YOUR WRONG

24. conduction

25. What happens when electrical charges are brought together? Unlike charges attract and like charges repel. Unlike and like charges attract. Like charges attract and unlike charges repel. Like charges attract and repel.

26. TRY AGAIN 

27. Unlike charges attract and like charges repel.

28. What is the resistance of a hair dryer that uses 2.5 A when the voltage is 120 V? 4.8 ohms 48 ohms 120 ohms 300 ohms

29. BOOOOO 

30. 48 ohms

31. Why are parallel circuits, rather than series circuits, commonly used in wiring houses? They allow appliances to operate separately. They are cheaper. They have a higher total resistance. The voltage drop varies with each resistor.

32. WRONG AGAIN

33. They allow appliances to operate separately.

34. Which of the following actions would decrease the strength of an electromagnet? Removing turns from the wire coil Increasing the amount of current used Adding more turns to the wire coil inserting a core of iron within the coil

35. removing turns from the wire coil

36. Sorry, you are wrong.

37. In comparison to other electromagnetic waves, which of the following statements about gamma rays is true? • They have the longest wavelength. • They have the lowest frequency. • They have the lowest amplitude. • They have the highest photon energy.

38. TRY AGAIN (:

39. They have the highest photon energy.

40. If the source of a sound is moving away from you, what characteristic of the sound waves reaching your ears decreases? • quality • velocity • frequency • wavelength

41. WRONNGGG !

42. frequency

43. The atoms in a compound have what characteristic? • They can be seen individually. • They merge their nuclei. • They join in a definite proportion. • They have the same charge.

44. Wrong Again.

45. They join in a definite proportion.

46. What do all atoms of the same element have in common? number of neutrons mass number atomic mass atomic number

47. Try again 

48. atomic number

49. What causes an object to have a positive charge? Protons are removed. Protons are added Electrons are removed. Electrons are added.

50. SORRRY 