Name one property of light.

• Light is invisible to the human eye.

• Light is a solid object.

• Light travels in straight lines.

What happens to light when it hits a mirror?

• The light is absorbed by the mirror.

• The light is reflected off a mirror.

• The light passes through the mirror.

A straw looks “bent” or broken when it’s in a glass of water.

• It is refraction.

• It is reflection.

Which of these is not a source of light?

• The moon.

• The torch.

• The sun.

What is a shadow?

• A shadow is a type of light.

• A shadow is a solid object.

• A shadow is a dark area produced by an object blocking light.

Imagine a candle flame. Light from the candle flame travels in which direction?

• In circles.

• In straight lines.

• In random lines.

What is the difference between a transparent and an opaque object?

• Both transparent and opaque objects allow light to pass through.

• Transparent objects block light; opaque objects allow light to pass through.

• Transparent objects allow light to pass through; opaque objects do not.

What colors make up white light?

• Black, white, gray

• Red, yellow, blue

• Red, orange, yellow, green, blue, indigo, violet

Light travels slightly more slowly through air than through space. It is slowed down a little bit more by glass and which of the following?

• Metal

• Water

• Wood

What is the role of light in photosynthesis?

• Light is essential for photosynthesis as it provides the energy required for the process.

• Light is only needed for plant growth, not photosynthesis.