Science Midterm Flashcard

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that keep their own identities.

Front

What is a physical change?

Back

A physical change occurs when no new substances are formed.

Front

What is a solution?

Back

A solution is a combination of two or more substances that are dissolved into each other.

Front

What is a solute?

Back

A solute is the smaller part that is dissolved in a solution.

Front

What is a solvent?

Back

A solvent is the largest part in which the other parts are dissolved.

Front

What is net force?

Back

Net force is the overall force acting on an object when all the individual forces are combined.

Front

How do you calculate net force when two forces act in opposite directions?

Back

Subtract the smaller force from the larger force.

Front

What happens to the motion of an object when no net force acts on it?

Back

The object will continue to move at a constant velocity.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward the center of the Earth.

Front

What is a chemical change?

Back

A chemical change occurs when a substance changes and a new substance is formed.