Science Test - Energy

Which type of energy is formed by vibrating objects?

• light

• sound

• thermal

• electrical

Which type of energy does moving water have?

• electrical

• thermal

• kinetic

• potential

A guitarist strums two strings of the same thickness of a guitar. The first string vibrates more quickly than the second string. What is true about the pitch of the strings?

• The first string has a higher pitch than the second string

• The second string has a higher pitch than the first string

• The first string and the second string have the same pitch

• The pitch of the second string depends on the pitch of the first string

Which is the best description of a sound wave when the pitch of the sound is very high?

• It has no frequency

• It has no wavelength

• It has a high frequency

• It has a low frequency

How do white light waves act when they enter a prism?

• They are reflected

• They become raindrops

• They bend or refract

• They are absorbed

Which of the following can act like a prism?

• a radio

• a piece of paper

• a laser

• a raindrop

How is heat transferred from a campfire to people?

• conduction

• convection

• radiation

How is heat transferred from your face to a pillow?

• conduction

• convection

• radiation

How is heat transferred from an oven?

• conduction

• convection

• radiation

Which of the following shows convection?

• The sun warms your skin

• You rub your hands together quickly

• a metal spoon in soup becomes warm

• A mobile turns from a candle burning below it