Light and Sound Waves Vocabulary Flashcard

Front

What are electromagnetic waves?

Back

Oscillations of electromagnetic fields that carry energy through a medium or through a vacuum.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is reflection in terms of waves?

Back

Energy waves bouncing off the surface of an object.

Tags

NGSS.MS-PS4-2

Front

What is diffraction?

Back

When a wave encounters an object in its path and bends around it.

Front

What does refraction demonstrate?

Back

The bending of light when it passes from one medium to another, such as when a pencil is placed in a cup of water.

Tags

NGSS.MS-PS4-2

Front

What are sound waves?

Back

Waves of energy made by vibrations; they require a medium (air, water, or solids) to travel.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is the medium in wave propagation?

Back

The substance through which a wave travels, such as air, water, or solids.

Tags

NGSS.MS-PS4-2

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of waves from a surface, while refraction is the bending of waves as they pass from one medium to another.

Tags

NGSS.MS-PS4-2

Front

What is absorption in wave behavior?

Back

The process by which a wave's energy is taken in by a material, rather than being reflected or transmitted.

Tags

NGSS.MS-PS4-2

Front

What is transmission in the context of waves?

Back

The passing of waves through a medium without being absorbed.

Tags

NGSS.MS-PS4-2

Front

What is the speed of sound in air?

Back

Approximately 343 meters per second at room temperature.

Tags

NGSS.HS-PS4-1