Energy and Heat Chapter 1

Which of the following is not a basic form of energy?

• electrical
• thermal
• muscle
• sound

Which statement about energy is true?

• Energy is a wave.
• Energy cannot travel through a vacuum.
• Energy has the ability to cause motion. 
• Energy cannot change form.

A sound wave with a high frequency will also have a high ______________________.

• wavelength
• volume
• amplitude
• pitch

Refraction occurs when a light wave 

• bends as it moves from one medium to another.
• bounces back off an object or a surface.
• is taken in by an object. 
• changes into heat.

Look at the picture. The stove burner is heating up the metal pot because of _______________________. This happens when one thing touches another and heat is transfered.

• energy
• conduction
• radiation
• convection

Which type of energy is formed by vibrating objects?

• light energy
• sound energy
• thermal energy
• electrical energy

Which type of energy does moving water have?

• electrical
• potential
• thermal
• kinetic

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

• The second string has a higher pitch than the first string.
• the first string and the second string have the same pitch.
• The first string has a higher pitch than the second string. 
• 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 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 are reflected.
• They become raindrops.
• They are absorbed.
• They bend or refract.