Properties of Solid, Liquid, and Gases

Front

What is the particle nature of matter?

Back

Matter is made up of tiny particles that are in constant motion.

Front

What are physical changes in solids, liquids, and gases?

Back

Physical changes are changes that affect one or more physical properties of a substance without altering its chemical composition.

Front

How are elements arranged in solids, liquids, and gases?

Back

In solids, particles are closely packed in a fixed arrangement; in liquids, they are close but can move past each other; in gases, they are far apart and move freely.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change affects the form of a substance, while a chemical change results in the formation of new substances with different properties.

Front

How does temperature affect the state of matter?

Back

Increasing temperature can cause solids to melt into liquids and liquids to evaporate into gases, while decreasing temperature can cause gases to condense into liquids and liquids to freeze into solids.

Front

What is the role of energy in changing states of matter?

Back

Energy is required to change the state of matter; it is absorbed during melting and evaporation and released during freezing and condensation.