What am I?

I am an extraordinary kind of energy, and I travel as tiny waves. I am very fast, but you cannot see me moving. What am I?

• shadow

• moon

• light

• sun

Answer explanation

Light is an extraordinary kind of energy that travels as tiny waves. It is very fast and invisible in motion, making it the correct choice.

I am a source of light. Light energy starts with me. Light waves move out from me and illuminate the area around me. You can see me but should never, ever look right at me. What am I?

• sun

• moon

• ray

• wavelength

Answer explanation

The correct choice is the sun. It is a source of light that emits light waves and illuminates the area around it. However, looking directly at the sun can be harmful to the eyes.

I don't have my own light, but I shine brightly in the sky. You see me mostly at night, but sometimes I peek out during the daytime. What am I?

• wave

• rainbow

• shadow

• moon

Answer explanation

The correct choice is 'moon'. The moon doesn't have its own light, but it shines brightly in the sky. It is mostly seen at night, but sometimes it can be seen during the daytime as well.

I am formed in places where all of the light doesn't reach. Sometimes I am very dark, and sometimes only a little bit darker than what is around me. Sometimes I take shape similar to something nearby. What am I?

• white light

• shadow

• moon

• light

Answer explanation

A shadow is formed in areas where light doesn't reach fully. It can vary in darkness and mimic nearby objects. Therefore, the correct answer is shadow.

I began at a light source and travel through the air. Sometimes you can see me and sometimes you can't. I show the way light travels in a straight line. What am I?

• moon

• sun

• ray

• light

Answer explanation

A ray is a straight line that light travels in. It can sometimes be seen and sometimes not. The correct choice is 'ray'.

I am the way light travels. Sometimes I am long and sometimes I am short. Sometimes I am visible and sometimes I am not. What am I?

• a bus

• a wave

• source

• shadow

Answer explanation

Light travels as a wave, which can vary in length and visibility. The correct choice is 'a wave'.

I come from the sun and I carry all the colors of the rainbow. What am I?

• rainbow stream

• source

• ray

• white light

Answer explanation

White light carries all the colors of the rainbow and originates from the sun. It is the correct choice.