SOL Review

A toaster converts electrical energy into

• Magnetic energy

• Thermal energy

• Radiant energy

• Mechanical energy

Tags

NGSS.MS-PS3-5

Why do clothes dried in a dryer have static electricity?

• Electrons can move from one object to another

• Because clothes rub against each other

• Because the clothes become neutral

• Because electrons move from one object to another as the clothes rub against each other.

In an electromagnet, one way to increase magnetic strength is to

• decrease the number of coils

• increase the length of the nail

• increase the number of coils

• decrease the length of the nail

What does the data in the table show?

• Sound moves the fastest in a solid.

• Sound moves the fastest in a liquid.

• Sound moves the fastest in a gas.

Tags

NGSS.MS-PS4-2

This famous experiment shows that

• sound moves in waves.

• sound needs to travel through matter.

• sound waves are produced by vibrations.

• sound waves are transverse waves.

Tags

NGSS.MS-PS4-2

What is echolocation?

• technology using radar

• animals communicating with other animals

• using sound waves to assist flying

• discovering the location of objects using reflected sounds

Tags

NGSS.MS-PS4-2

A radio converts ____ energy into ____ energy.

• sound, mechanical

• thermal, electrical

• electrical, sound

• mechanical, sound

Imagine a guitar string makes sound waves that are far apart compared to other strings. The sound waves have a lot of energy. What kind of sound will you hear?

• a loud sound with a low pitch.

• a loud sound with a high pitch.

• a quiet sound with a low pitch.

• a quiet sound with a high pitch.

Tags

NGSS.MS-PS4-1

What does the data in the table show?

• green light has shorter waves than violet light.

• visible light can have different wavelengths.

• red light has more energy than violet light.

• all light waves have the same wavelength.

Which graph shows the relationship between the frequency of light and the amount of energy?

• 
• 
• 
• 

Tags

NGSS.HS-PS4-3