Unit 1 Matter Review 12/5/24

Front

What is the process called when water vapors cool and form droplets on a surface?

Back

Condensation

Front

What is the difference between a mixture and a solution?

Back

A mixture is a combination of two or more substances that retain their individual properties, while a solution is a homogeneous mixture where one substance is dissolved in another.

Front

What state of matter is characterized by having a definite shape and volume?

Back

Solid

Front

What state of matter is characterized by having a definite volume but no definite shape?

Back

Liquid

Front

What state of matter is characterized by having no definite shape or volume?

Back

Gas

Front

What happens to the particles of matter when heat is added?

Back

The particles move faster.

Front

What happens to the particles of matter when heat is removed?

Back

The particles move slower.

Front

What are physical changes? Give an example.

Back

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

Front

What are chemical changes? Give an example.

Back

Chemical changes are changes that result in the formation of new chemical substances. Example: Rusting of iron.

Front

What is evaporation?

Back

Evaporation is the process by which liquid turns into vapor.