Dear Parents These Are The 3rd Science Sheets

Review and Test Preparation 3

Vocabulary Review

Use the terms below to complete the sentences. 

static electricity 

current electricity 

circuit 

1. To run a machine, electricity must move along a closed _______.

2. A machine that uses a magnet to make a current of electricity is called a _______.

3. Current that moves in a wire is called _______.

Check Understanding

Write the letter of the best choice.

4. Which term describes copper?

A. circuit B. conductor

C. insulator D. magnet

5. What is lightning an  example of?

F. a magnet

G. an electromagnet

H. static electricity

J. a circuit

6. Miguel plugs his desk lamp into an outlet. What type of electricity is the lamp using?

F. current G. lightning

H. magnetic J. static

7. Plastic is an example of which of the following?

A. conductor

B. generator

C. insulator

D. magnet

8. What makes a refrigerator’s motor do work to keep food cold?

F. Current electricity

G. lightning

H. insulator

I. static electricity

9. Which is an example of electricity?

A. brush                   C. cloud

B. hair                      D. lightning

Answer the following

10. What makes a refrigerator’s motor  work to keep food cold?