Unit 1: Solid, Liquid, Gases Flashcard

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include melting, freezing, and dissolving.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. Examples include rusting, burning, and digestion.

Front

What is solubility?

Back

Solubility is the ability of a substance to dissolve in another substance, forming a solution.

Front

What is an example of a physical change?

Back

Melting ice into water is an example of a physical change.

Front

What is an example of a chemical change?

Back

Rust forming on iron is an example of a chemical change.

Front

What are the three states of matter?

Back

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

Front

How can matter be classified?

Back

Matter can be classified based on properties such as solubility, density, and magnetism.

Front

What happens to the particles in a solid?

Back

In a solid, particles are closely packed together and vibrate in place, maintaining a fixed shape.

Front

What happens to the particles in a liquid?

Back

In a liquid, particles are close together but can move past one another, allowing liquids to take the shape of their container.

Front

What happens to the particles in a gas?

Back

In a gas, particles are far apart and move freely, filling the entire volume of their container.