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Jouer Test
1. 
BLACK
A.
absorbs all the colours
B.
reflects all the colours
C.
reflects black and absorbs the others
D.
absorbs black and absorbs the others
2. 
WHITE
A.
refracts all the colours
B.
absorbs black
C.
reflects all the colours
D.
absorbs only white
3. 
TYPE OF MATERIAL
A.
transparent
B.
translucent
C.
opaque
D.
lens
4. 
WHAT IS REFLECTION?
A.
light hits an object and bounces straight.
B.
light hits an object and bounces back.
C.
light changes direction
D.
light changes direction as it passes from one substance to another.
5. 
NAME OF THIS EFFECT
A.
REFLECTION
B.
EXPANSION
C.
REFRACTION
D.
MELTING
6. 
NAME OF THIS PROPERTY
A.
REFRACTION
B.
REFLECTION
C.
IT CHANGES DIRECTION
D.
IT REFLECTS THE IMAGE
7. 
INSULATORS
A.
From a warm substance to a cooler one.
B.
From a cooler substance to a warm substance
C.
They transfer heat
D.
Don´t transfer heat effectively.
8. 
EXPANSION
A.
Thermal energy increases the volume.
B.
Thermal energy doesn´t increase the volume.
C.
Thermal energy increases heat
D.
They become a gas
9. 
EFFECTS of THERMAL ENERGY
A.
EVAPORATION, THERMAL ENERGY
B.
EXPANSION, REFRACTION
C.
EVAPORATION, EXPANSION
D.
MELTING, HEAT
10. 
PROPERTY OF LIGHT
A.
LENS
B.
MIRROR
C.
REFRACTION
D.
REFLECTION