WorksheetsSCIENCE 3.7
Total questions: 10
Worksheet time: 5mins
What is the Earth’s main source of light and heat energy?
Moon
Stars
Sun
Electricity
Which material allows light to pass through without scattering it?
Greaseproof paper
Foggy air
Clear glass
Smoke
What happens to light when it hits a mirror?
It is absorbed completely.
It is refracted.
It is scattered randomly.
It is reflected clearly.
Why does a beam of light become visible in foggy air?
Light is absorbed by water droplets.
Light is refracted by water droplets.
Light is scattered by tiny water droplets.
Light travels faster in fog.
What is the term for light changing direction when passing from air into water?
Reflection
Diffraction
Refraction
Absorption
Which of the following best describes diffraction of light?
Light bounces off a smooth surface.
Light spreads out after passing through a small opening.
Light is converted into heat upon striking a surface.
Light is scattered by translucent materials.
When light is absorbed by a surface, what is it often converted into?
Sound
Electricity
Heat
Magnetic energy
What happens to the speed of light when it travels from air into glass?
It increases.
It remains the same.
It decreases.
It stops.
Which device works based on the absorption of light energy and its conversion into another form?
Mirror
Prism
Solar panel
Flashlight
Which of the following is NOT an effect of light discussed in the material?
Scattering
Reflection
Conduction
Absorption
