Energy and Waves Flashcard

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What is a wave?

Back

A wave is a disturbance that transfers energy from one place to another.

Front

What is wavelength?

Back

Wavelength is the distance between two consecutive peaks or troughs in a wave.

Front

What is amplitude?

Back

Amplitude is the height of a wave from its rest position, indicating the energy of the wave.

Front

What is frequency?

Back

Frequency is the number of waves that pass a point in one second.

Front

How does wavelength relate to energy?

Back

Shorter wavelengths have higher energy, while longer wavelengths have lower energy.

Front

What types of waves can travel through matter?

Back

Mechanical waves, such as sound waves, can travel through matter.

Front

Can waves travel through space?

Back

Yes, electromagnetic waves can travel through the vacuum of space.

Front

What happens to waves when they encounter an obstacle?

Back

Waves can reflect, refract, or diffract when they encounter an obstacle.

Front

What is sound?

Back

Sound is a type of mechanical wave that travels through air, water, or solids.