1. Science
Chapter 3
Lesson 5

2. The process of asking questions is …

3. inquiry

4. This is anything that takes up space and has mass.

5. matter

6. This is a tool that can be used to measure volume.

7. Graduated cylinder

8. This is when we look for answers..

9. investigate

10. This is the way on object feels to the touch…

11. texture

12. A person who asks questions about the natural world is a…

13. scientist

14. A circuit with no gaps or breaks..

15. Closed circuit

16. A circuit with a broken path…

17. Open circuit

18. This allows you to open and close a circuit without disconnecting a wire

19. switch

20. A material through which electric charge easily move.

21. conductor

22. Materials that stop the movement of electric charge.

23. insulator

24. Every circuit needs a source of …

25. energy

26. The symbol (--) indicates what kind of electric charge..

27. negative

28. An ___ charge is a tiny amount of energy.

29. electric

30. Two objects with the same charge near each other will ___ each other.

31. Push away

32. The symbol (+) indicates what kind of electric charge.

33. positive

34. Two objects with opposite charges ___ each other.

35. attract

36. The movement of electric charge from one place to another is electric…

37. current

38. An electric current must travel in a ___ path through wires and other materials.

39. controlled

40. Insulators protect workers from being….

41. shocked

42. Lightning is an example of …

43. electricity

44. What kind of electricity moves through a wire?

45. current

46. A good conductor of electricity for your toaster cord would be….

47. copper

48. How are conductors and insulators different?

49. Electric charges move easily through a conductor
Electric charges move easily through a conductor. It doesn’t move through an insulator

50. If you had several bulbs wired together and one bulb burns out, what will happen to the other bulbs?

51. They won’t stay lit

52. Why is plastic used for covering wires?

53. Plastic is a good insulator

54. What is the difference between an electric current and an electric circuit?

55. Current – movement of electric charges Circuit – path through which electric current flows

56. Be able to identify batteries that have open and closed circuits.

57. Closed circuits have electricity open circuits do not!