Modeling Matter Study Guide

What is an atom?

• A molecule

• A cell

• The smallest unit of matter

• A compound

To attract means to:

• repel

• draw towards

• ignore

• push away

Dissolving means:

• Melting a solid into a liquid

• Breaking down into smaller particles

• Mixing a substance evenly in a liquid

• Changing from a liquid to a gas

An emulsifier is a substance that:

• increases the acidity of a solution

• stabilizes a mixture of two or more immiscible liquids

• acts as a preservative in food

• enhances the flavor of a dish

A mixture is:

• a combination of two or more substances that are not chemically bonded

• a single pure substance

• a chemical compound

• a type of element

A molecule is:

• a single atom

• a group of atoms bonded together

• a type of chemical reaction

• a form of energy

A property is:

• a characteristic or quality of something

• a type of question

• a mathematical operation

• a scientific theory

Sediment is:

• a type of rock

• a type of soil

• particles that settle at the bottom of a liquid

• a type of mineral

A substance is:

• a form of matter with a specific chemical composition and properties

• a type of energy

• a form of light

• a type of sound

Soluble means:

• Incapable of being dissolved

• Capable of being dissolved

• A type of solid

• A type of liquid