Chapter 1-Energy and Heat

Which type of energy is formed by vibrating objects

• thermal energy

• light energy

• sound energy

• electrical energy

Which type of energy does moving water have?

• electrical

• kinetic

• thermal

• potential

A guitarist strums 2 strings of the same thickness on a guitar. The first string vibrates more quickly than the second one. What is try about the pitch of the strings?

• Second string has a higher pitch than the first

• The first string is a higher pitch than the second

• The first string and second string have the same pitch

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

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

• It has a high frequency

• It has a low frequency

• It has no wavelength

• It has no frequency

How do white light waves act when they enter a prism

• They bend or refract

• They are reflected

• They are absorbed

• They become raindrops

Which of the following can act like a prism

• a piece of paper

• a raindrop

• a radio

• a laser

How is heat transferred from a campfire to people

• conduction

• radiation

• convection

• insulation

Which is the following shows convection

• a mobile turns from a candle burning under it

• A metal spoon turns warm

• YOu rub your hands

• Sun warms your skin

Why might ice melt after you skate on it?

If you want to stay cook on a hot day should you wear a black t-shirt or white t-shrt?