WorksheetsHeat and Light
Total questions: 20
Worksheet time: 40mins
Which spoon will get hotter?
A
B
NOR A OR B
A AND B
HOW DOES ENERGY TRAVEL?
CONVECTION
RADIATION
EXPANTION
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
WHAT CAUSES RAINBOWS TO APPEAR?
A torch
Light from the Sun is reflected by clouds
It is unknown
Light from the Sun is reflected by water
What happens to light energy when it is absorbed by our skin?
It is transformed into sweat
It is transformed into heat energy
It's not transformed
It is transformed into mechanical energy
When light hits a mirror, we see a ________________
Straight
Refraction
Particles
Reflection
The process of ____________ is when the direction changes slightly.
Straight
Refraction
Particles
Reflection
Coloured light is made up of ______________________
Straight
Refraction
Particles
Reflection
In a refraction, light travels in a ___________________ line.
Straight
Refraction
Particles
Reflection
To know how hot is an object, we measure _______________
Its heat
Its temperature
The metal part of this pan transfers thermal energy from the cooker to the food inside. It's a good ____________
Conductor
Insulator
The wooden part of the pan doesn't get hot as we cook. It's a good _______________.
Conductor
Insulator
Click on the words related to light.
Radiaton
Shadow
Melting
Expansion
Sun
Opaque
Transparent
Translucent
Opaque
Transparent
Translucent
Opaque
Transparent
Translucent
We can feel the transformation of the light into heat
True
False
When objects are exposed to light they absorb some energy.
True
False
Thermal energy ALWAYS travels from a colder object to a hotter one.
True
False
Dark colours absorb more light energy.
True
False
