STAAR Science Questions part 2

1. As the Temperature increases, a solid will
a.Change into a liquid
b. change into a gas
c. beome a form of energy
d. remain the same

2.  As the temperature decreases, a liquid will
a. change into a solid
b. Change into a gas
c. become a form of energy
d. remain hte same

3. Which of the following items would MOST likely be lifted by a magnet?
a. a block of wood
b. a metal ball bearing
c. a plastic cup
d.. a piesce of limestone

4. Metal can be pulled by
a. magnetic energy
b. light
c. empty space
d. color

5. Electrical wires are made out of different types of metal because
a. metal is a good conductor of electricity
b. metal is the only available natural resource
c. meta can be recycled
d. plastic is too expensive

6. Which of the following is the BEST conductor of electricity?
a. wood
b. metal
c. plastic
d. paper

7. Sound travels fastest through
a. wood
b. oxygen
c. empty space
d. metal

8. Which of the following is not a good form of electrical insulation
a. plastic
b. rubber
c. wood
d. metal

9.  Mr. Sanchez was changing some electrical wiring in his house.   He wore rubber gloves while he worked because rubber is
a. a good insulator and helps protect against electric shock
b. the cheapest material to make gloves from
c. a good conductor of electrical current
d. the only substance gloves can be made from.