Chapter 1 Vocabulary

What is a concise statement or mathematical equation about a fundamental relationship or regularity of nature.

• Law

• Experiment

• Theory

• Hypothesis

An observation of natural phenomena carried out in a controlled manner so that the results can be duplicated and rational conclusions made.

• Theory

• Law

• Experiment

• Hypothesis

What is a tested explanation of basic natural phenomena.

• Observation

• Law

• Experiment

• Theory

What is a tentative explanation of some regularity of nature?

• Experiment

• Hypothesis

• Theory

• Law

What is matter?

• Whatever occupies space and can be perceived by our senses.

• The quantity of matter in a material.

• Force of gravity exerted on an object.

What is mass?

• Whatever occupies space and can be perceived by our senses.

• The quantity of matter in a material.

• Force of gravity exerted on an object.

What is weight?

• Whatever occupies space and can be perceived by our senses.

• The quantity of matter in a material.

• Force of gravity exerted on an object.

The Law of Conservation of Mass states

• the total mass remains constant during a chemical change

• the total mass decreases during a chemical change

• the total mass increases during a chemical change

What is a change in the form of matter is observed, but its identity is the same.

• Chemical Change

• Rusting

• Physical Change

• Burning

When one or more kinds of matter are transformed into one or more new kinds of matter.

• Chemical Change

• Melting

• Physical Change

• Freezing