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WorksheetsHEAT AND LIGHT
Total questions: 15
Worksheet time: 8mins
A mirror _________________ light.
absorbs
reflects
refracts
An object that blocks all of the light from passing through is...
transparent
clear
opaque
translucent
True or false?
Light is not a source of energy.
True
False
A material that does not allow heat to pass through easily is a(n) _______________.
Conductor
Insulator
Any material that allows heat to move through it easily is a(n) _________________.
conductor
insulator
True or false?
Heat is a source of energy.
false
true
A bar of meal is placed several feet from a fireplace. The side of the chair facing the fireplace gets warm because of
conduction
convection
radiation
WHAT HAPPEN TO THE MOLECULES OF A SOLID OBJECT WHEN IT RECIEVES HEAT ENERGY?
THEY VIBRATE FASTER
THEY VIBRATE SLOWER
THEY DON'T VIBRATE
THEY VIBRATE SOME TIMES
The metal part of this pan transfers thermal energy from the cooker to the food inside. It's a good ____________
Conductor
Insulator
Opaque
Transparent
Translucent
What does the pencil in this picture show about light?
Light is refracted when it hits a curved object.
Light is reflected when it hits a curved object.
Light is refracted when it passes from air into water.
Light is reflected when it passes from air into water.
