Acids, Bases, & Salts
Pure Substances and Mixtures
States of Matter
Theories vs Laws
100

The pH range for a base.

what is 7-14?

100

A material made up of only one type of particle, having consistent properties throughout.

What is a pure substance?

100

A state of matter with a definite shape and volume.

What is a solid?

100

A well-substantiated explanation of an aspect of the natural world based on a body of evidence and repeated testing.

What is a scientific theory?

200

The pH of a neutral solution.

What is 7?

200

A substance that consists of two or more elements chemically combined. 

What is a compound?

200

The state of matter in which particles are closely packed together and vibrate in place. 

What is a solid?

200

The definition of a scientific law.

What is a statement that describes a consistent and universal relationship observed in nature, often expressed mathematically?

300

A compound formed from the reaction of an acid and a base.

What is a salt?

300

A substance that can be separated physically.

What is a mixture?

300

A description of the movement of particles in a gas.

What is particles are far apart and move freely at high speeds?

300

True/False: Theories can change over time.

What is true?

400
A compound that has a pH range of 1-7.

What is an acid?

400

A pure substance that cannot be broken down into simpler substances by chemical means.

What is an element?

400

The change in energy (increase/decrease) that occurs when a solid melts into a liquid.

What is increase?

400

True/False: Theories can become laws with enough evidence.

What is false?

M
e
n
u