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Learn About Light Sources

In this worksheet, students will answer questions about light and dark and how we need light to see.

'Learn About Light Sources' worksheet

Key stage:  KS 2

Year:  Year 3 Science worksheets

Curriculum topic:   Light

Curriculum subtopic:   Light and Dark

Difficulty level:  

Worksheet Overview

We know when it is daytime because it is light. Daylight comes from the Sun.


Things that make light are called sources of light


Light bulb


The Sun is a bright source of light. A light bulb is not as bright as the Sun.


sun cartoon


Candles are not a bright source of light - we say that they are dim.


tea light candle


We can see because light enters (goes into) our eyes. Very bright lights, like the Sun can hurt our eyes.


When there is no light (when it is dark) we cannot see. We use lights in the dark so that we can still see things.


The moon is not a source of light. The moon reflects light from the Sun.


We will use these facts to help us answer some questions - let's go!

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