Science Midterm Flashcard

Front

What are the three categories of elements?

Back

Metals, Nonmetals, Metalloids.

Front

What is friction?

Back

Friction is the resistance that one surface or object encounters when moving over another.

Front

Which material has the greatest amount of friction?

Back

Sandpaper.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What does Newton's 3rd law state?

Back

For every action, there is an equal and opposite reaction.

Front

What is an example of a metal?

Back

Iron.

Front

What is an example of a nonmetal?

Back

Oxygen.

Front

What is an example of a metalloid?

Back

Silicon.

Front

What happens to a boat when a person jumps off?

Back

The boat dips into the water due to Newton's 3rd law.

Front

What is the role of friction in motion?

Back

Friction slows down or stops the motion of objects.