How do our eyes see light?

Click the option that is not a light source

• The sun

• The moon

• A lamp

• A match stick

How can we see the moon at night?

• Because space is well lit

• It reflects the sun’s light

• Because it is a source of light

• It absorbs the sun's light

Light travels in a ________ line.

• curved

• diagonal

• straight

• wavy

Which diagram shows how the eye sees the apple?

• 
• 
• 

Which diagram to shows how the person sees the plant through the periscope?

• 
• 
• 

Which precautions can people take to protect themselves from the harmful rays of the sun?

• Wear sunglasses/ sunscreen

• Looking directly at the source

• Staying in the shade

• Standing behind a transparent object

Which two statements are true?

• Stars shine because they reflect the sun’s light.

• Light travels faster than sound.

• Light can travel through space.

• The moon is a light source

What happens and what is created when you put an opaque object in front of a light source (there may be more than one correct answer)?

• All of the light is reflected

• The opaque object blocks the light from the source

• The light passes through the object

• A shadow is formed/created

Describe how the size of a shadow changes as an opaque object is moved further away from the light source.

• The further away from the light source an object is, the bigger the shadow will be.

• The further away from the light source an object is, the smaller the shadow will be

Describe how the size of a shadow changes as an opaque object is moved closer to the light source.

• The closer to the light source an object is, the bigger the shadow will be.

• The closer to the light source an object is, the smaller the shadow will be.