Physics Concepts: Energy, Waves, Light, Sound

A simple machine is something that makes doing work harder. (If false, replace the underlined word with the correct word.)

(a)  

The law of Conservation of energy states energy can be created and/or destroyed. (If false, replace the underlined word with the correct word.)

(a)  

Tags

NGSS.MS-PS3-5

Power is defined as the rate at which work is done. (Write true if the statement is true.)

(a)  

Tags

NGSS.MS-PS3-5

A pulley is a wheel with a rope/chain/cable wrapped around it. (Write true if the statement is true.)

(a)  

Energy is the ability to do work. (Write true if the statement is true.)

(a)  

Seismic waves and sound waves have what in common?

• They are a type of mechanical wave.

• They are a type of electromagnetic wave.

• These waves move in a compression, longitudinal pattern.

• They don’t need a medium to travel through.

What medium does sound waves travel through?

• Air

• Water

• Solids

• All of the above

Tags

NGSS.MS-PS4-2

How are mechanical and electromagnetic waves different?

• Mechanical waves can pass through empty space while electromagnetic waves can’t.

• Mechanical waves need a medium to travel through while electromagnetic waves do not.

• Electromagnetic waves need a medium to travel through while mechanical waves don’t.

• Mechanical waves can pass through air while electromagnetic waves can’t.

Which of the following are electromagnetic waves?

• Light

• Water

• Seismic

• Sound

Tags

NGSS.MS-PS4-2

How do compression waves move?

• Right angle to the energy

• Perpendicular to the energy movement

• Same direction as the movement of the energy

• Depends on the amount of energy.

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1