Science Test Review (Chapters 1&3)

What type of energy is formed by vibrating objects?

• Light Energy

• Sound Energy

• Thermal Energy

• Electoral Energy

Which type of energy does moving water have?

• Electrical

• Kinetic

• Thermal

• Potential

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 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 a low frequency.

• It has a high 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 bend or refract.

• They are absorbed.

Which of the following can act like a prism?

• a radio

• a raindrop

• a piece of paper

• a laser

Which of the following shows convection?

• The sun warms your skin.

• You rub your hands together quickly.

• A metal spoon becomes warm.

• A mobile turns from a candle blowing it.

Which of these materials is a conductor?

• rubber

• chalk

• gold

• glass

What is one use for an insulator?

• It slows down the flow of electric currents to produce heat and light.

• It stores electric energy for later use.

• It allows electric current to flow through it.

• It makes electrically charged objects safe to handle.

Electric current cannot flow in a series circuit if....

• the current contains an insulator.

• there is a break in the circuit.

• the circuit contains a resistor.

• the circuit has only one loop in it.