science

Match it! Select the correct answer from the pull down...Good luck!

Materials that transmit some light, but no detail are

Refraction is the

An object appears black when it

An educated guess is called a

Which is the hottest layer of the earth?

Which layer of the earth does all weather occur?

Sound waves travel fastest when they travel through which of the following?

This type of invisible light can cause suntans and sunburns