STHS Chemistry Ch. 1 and 2

Has a fixed volume but assumes the shape of its container.

The three states of matter are solid, liquid, and ______.

Has no fixed volume or shape

Which of the following is a compound?

Which of the following would be classified as a mixture?

Which of the following describes a physical change?

Which of the following is a chemical change?

Process used to make and explain discoveries and to solve problems

Possible explanation for a problem or question

Which of these is essential in describing a good hypothesis?

Which of the following is an element?

Steel is a mixture or a pure substance?

Which of the following is another term for quantitative observation?

Hydrogen makes up what percent by atoms of the universe?

The "stuff" of which the universe is composed.

When using the scientific method, the first step is to:

A homogeneous mixture is also called _____.

A chemical change must produce which of the following?

Explanation that has stood up to much testing and investigation

A law tells what happens; a theory (model) is our attempt to explain why it happens.

The same throughout

Which of the following is a microscopic property?

Has mass and occupies space

Science that deals with the matter of the universe and the changes they undergo

Which of the following is a physical change?

Sugar (Glucose) is a mixture or a pure substance?

Cannot be separated into simpler substances

Matter is composed of tiny particles we call _____.

Chemists are involved in activities such as

Has a fixed shape and volume

This image represents an:

Milk is a mixture or a pure substance?

Consider the following list: sodium, sugar, air, and iron. How many are pure compounds?

Which of the following is a physical property of matter?

Which of the following is a chemical property of matter?