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WorksheetsSound, Light and Heat
Total questions: 12
Worksheet time: 9mins
What is produced when an object vibrates?
Loud Sounds
Sound Waves
Quiet Sounds
What can sound travel through?
A medium (Solid, Liquid, Gas)
Space
Vacuum
TRUE or FALSE: Sound can travel in space.
TRUE
FALSE
There are 2 types of light energy:
Bright and Dim
Quiet and Loud
Artificial and Natural
TRUE or FALSE: Artificial light sources are found in nature, e.g. The Sun. Natural light sources are Man-Made, e.g. a Lamp.
TRUE
FALSE
How does light energy travel?
In straight lines, called Rays and can pass through all materials.
In waves and can only pass through medium (Solid, Liquid and Gas)
TRUE or FALSE: Light travels faster than Sound. The speed of light is 300,000 km/s.
TRUE
FALSE
What type of surfaces reflect light the best?
Rough surfaces like stone, soil and grass.
Smooth surfaces like mirrors, metal and water.
Refraction happens when light passes through a medium with a different...
Size
Colour
Density
Surface
Something colourful caused by Refraction.
Rainbow
Painting
Photograph
Which one of these does NOT use a lense?
telescope
a window
magnifying glass
eye glasses
An example of an artificial heat source is...
geothermal
the sun
electric kettle
fossil fuels
