Magnets and Electricity
Conductors and Insulators
States of Matter
Changing States
100
Where on a magnet is it the strongest? [3]
a. repel
b. magnetic field
c. poles
d. attract
c. poles
100
Which material make good conductors?
a. glass
b. plastic
c. copper
d. rubber
c. copper
100
Which state of matter keeps their shape? [3]
a. solid
b. liquid
c. gas
d. water
a. solid
100
Which state of matter can turn into gas when heated? [3]
a. solid
b. liquid
c. gases
d. door
b. liquid
200
What happens when the north and south poles of two magnets face each other? [3]
a. repel
b. attract
c. nothing
d. poles
b. attract
200
Which type of material does NOT allow heat to move through quickly? [3]
a. pot handle
b. thermal insulators
c. thermal conductor
d. steam
b. thermal insulators
200
Which state of matter is sometimes invisible?
a. liquid
b. gases
c. solid
d. book
b. gases
200
What happens when ice (a solid) is left in the sun? [3]
B) becomes a liquid
C) stays the same
D) heats up
b. becomes a liquid
300
What uses electricity to help us at home and school? [3]
a. battery
b. appliances
c. conductors
d. water
b. appliances
300
What do thermal insulators do in a winter jacket? [3]
a. keep hot things cold.
b. keep cold things hot.
c. keep cold things cold.
d. keeps you warm.
d. keeps you warm
300
What has to be trapped inside solids or liquids for foam to form?
a. freezing
b. gas
c. melting
d. reversible
b. gas
300
Which substance can melt?
A. wood B. bricks
C.leather D. copper
D. copper
400
What is the BEST word to describe the picture below? [3]
a. insulator
b. conserve
c. materials
d. circuit
d. circuit
400
Which material is a good thermal conductors?
b. wood
c. metal
d. water
c. metal
400
Which object has the least mass / least particles? [3]
a. 
b. 
c. 
d. 
A .
400
When happens to materials when energy is applied? [3]
B. energy
C. reversible
D. changes state
d. changes states
500
Which electrical symbol does the picture represent?
a. battery
b. bulb
c. switch
d. wire
c. switch
500
Which spoon will cool down the fastest when put in cold water? [3]
a. rubber
b. plastic
c. wooden
d. metal
d. metal
500
How do we waste energy at home and school? [3]
a. leave the lights on when we leave the room
b. fall asleep with the television on
c. keep the computer on all the time
d. all of the above
d. all of the above
500
What happens to some solid materials when they are cooled down? [3]
a. freeze
b. gold
c. solidify
d. melt
c. solidify