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WorksheetsHeat and Light
Total questions: 20
Worksheet time: 14mins
What is heat?
The transfer of thermal energy
The movement of electromagnetic waves
The amount of thermal energy
What is temperature?
The transmission of thermal energy
The amount of thermal energy in an object
Heat travels through a gas ot through a liquid by...
Conduction
Convection
Radiation
Materials that transfer thermal energy easily are called...
Insulators
Conductors
Particles aren´t needed for the transfer of energy in __________ Heat is transferred by electromagnetic waves.
Conduction
Convection
Radiation
Metal is a good example of...
Insulator
Conductor
When a liquid is heated, it changes into a gas. That is called...
Melting
Evaporation
Condensation
Solidification
When a liquid cools down, it changes into a solid. That is called...
Melting
Evaporation
Condensation
Solidification
Thermal energy causes materials to expand. That is ...
An effect of heat
Change in state
How heat travels
When a gas cools down, it changes into a liquid. That is called...
Melting
Evaporation
Condensation
Solidification
Light travels...
from one place to another transferring heat
in the form of mechanical energy
in straight lines
An ________ object blocks the light partially.
Opaque
Translucent
Transparent
An ________ object blocks the light completely.
Opaque
Translucent
Transparent
Baking paper or curtains are examples of ...
Translucent object
Opaque objects
Transparent objects
A shadow is formed when...
the straight lines of ligt travel everywhere
light is blocked by an object
the waves of light travel very fast
__________ occurs when light energy bounces off a surface and changes direction.
Refraction
Reflection
What happens to light as it passes through water?
Refraction
Reflection
Which are the two main laws of light?
Reflection and colors
Refraction and reflection
Refraction and white light
Light is...
A Natural source
A form of thermal energy
A form of radiant energy that is transferred through radiation.
A rainbow is formed mainly by...
Refraction
Reflection
White light
