1. Which material is magnetic? A. Copper B. Iron

16. You need an object that will NOT conduct electricity for a school project. Which should you choose? A. Plastic ruler B. Metal spoon

21. A material allows electricity to flow, does not dissolve, and is dull-looking. What could it be? A. Plastic B. Graphite

4. What do we call a material that does not allow electricity to pass through? A. Electrical insulator B. Electrical conductor

15. You want to separate iron nails from copper nails. Which tool should you use? A. Spoon B. Magnet

7. Why can aluminum foil reflect much light? A.It is rough and dull B.It is smooth and shiny

20. A student tests an unknown powder. It does not dissolve and does not conduct electricity. What is it? A. Chalk powder B. Graphite

2. Which property tells how much light a material reflects? A. Reflectivity B. Solubility

13. Which material would be best for the handle of a hot cooking pot? A. Aluminum B. Wood

19. A material lets heat pass through very easily but does not dissolve in water. What could it be? A. Copper B. Sugar

14. You need a material to make a safety vest that reflects light at night. Which one is best? A. Shiny reflective tape B. Black cotton fabric

6. Which object is shiny and reflects light well? A. Mirror B. Rubber band

9. Why are electrical wires covered with plastic? A. Plastic is a good electrical conductor B. Plastic is an electrical insulator