light and sound

How is a shadow formed?

• only when the moon goes in front of the sun

• when light from a light source is blocked by an object

• when an object stops producing light

• only during night time

Darkness is caused by...

• light reflecting on surfaces

• the absence of light

• the moon producing darkness waves

Light is required in order to...

• cook things

• see things

• water plants

How does light travel?

Sound is caused by....

• molecules

• vibrations

• people

• space

Which is an example of light energy?

• sun

• candle

• electricity

• all of the above

Which picture produces sound?

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Fireflies are examples of ______________

• artificial creations

• natural sources of light

• artificial sources of light

• human creations

The major source of light is

• Sun

• Moon

• Fire

• iPhone

Choose the ARTIFICIAL sources of light

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