Which of the following are natural sources of light? (chose more than 1)

Which of the following is a transfer of heat through solids?

What do we need to make a shadow?

Rubbing two objects together will produce heat. What kind of heat transfer is that?

Water vapour going up from boiling water is the heat transfer by

Using the sun as a source of light, what time of the day is your shadow the longest?

What type of object will block off all light and will create the darkest shadow?

What can you do to warm your body?

Light travels in ______ line

Identify the heat source that the four children are talking about.

Ethan: It's in the center of our solar system.

Ryu: It's important for the plants to do photosynthesis.

Fiolyn: It is the natural source of heat and light.

What gives off both heat AND light?

The length of a shadow depends on the angle at which the light beam is coming from. The nearer from the light beam is, the _______ the shadow is.

Which of the following will change color by heat? (chose all that apply)

This is a natural source of heat

This object will make _______ shadow

The light transfers heat through radiation.

We can see the shadow in the dark room.

Which of the followings are artificial sources of light?

The further the light source from an object, the smaller the shadow is.

The fire from fireplace transfers ________

We feel warm near the campfire because it give off heat by ________