Science Year 8

What is light?

• Form of energy that travels in straight lines

• Form of energy that travels in wiggly lines

• Not a form of energy and it travels in straight lines

• Not a form of energy and it travels in wiggly lines

What is this group of light rays called?

What is this group of light rays called?

What is this group of light rays called?

What is a non-luminous object?

• Does not emit its own light

• Reflect light

• Emits its own light

• Does not reflect light

What is a luminous object?

• Does not emit its own light

• Reflect light

• Emits its own light

• Does not reflect light

Can a luminous object be natural?

• No

• Yes

• Ignore this (its a mistake)

• Ignore this (its a mistake)

Can a luminous object be man-made?

• No

• Yes

• Ignore this (its a mistake)

• Ignore this (its a mistake)

Which of these are luminous objects?

• The sun

• The moon

• The stars

• Lightning

Which of these are non-luminous objects?

• Eyes

• Glass

• Chair

• Mirror