u3 Flashcard 5th grade

Front

What happened at Roanoke that is still a mystery?

Back

Why all of the colonists disappeared.

Front

What causes sound?

Back

Sound is caused by vibrations.

Front

What type of energy is observed when a paper plane flies?

Back

Mechanical energy.

Front

What is volume in terms of sound?

Back

The loudness or softness of a sound.

Front

What is a monarchy?

Back

A political system based on the rule of one person.

Front

What is the definition of vibrations?

Back

Vibrations are movements that create sound.

Front

What is the difference between sound and noise?

Back

Sound is a general term, while noise refers to unwanted or unpleasant sounds.

Front

What is an example of mechanical energy?

Back

A moving car or a flying paper plane.

Front

What is the role of a ruler in a monarchy?

Back

The ruler has the power to make decisions and govern the people.

Front

How does sound travel?

Back

Sound travels through a medium, such as air, water, or solids.