Unit 2 - Interactions in Matter

Front

What is a solution?

Back

A solution is a homogeneous mixture where one substance (the solute) is dissolved in another (the solvent).

Front

What are physical properties of matter?

Back

Physical properties are characteristics of matter that can be observed without changing the substance, such as smell, taste, sight, and touch.

Front

How can you separate a mixture of sand and salt?

Back

You can separate a mixture of sand and salt by dissolving it in water and then filtering it.

Front

What is a chemical change?

Back

A chemical change occurs when a substance is transformed into a new substance with different properties.

Front

What is evaporation?

Back

Evaporation is the process by which a liquid turns into a gas.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

What are chemical properties of matter?

Back

Chemical properties are characteristics that describe how a substance interacts with other substances, indicating its potential to undergo chemical changes.

Front

What is density?

Back

Density is the mass of a substance divided by its volume, often expressed in grams per cubic centimeter (g/cm³).

Front

What is condensation?

Back

Condensation is the process by which a gas turns into a liquid.

Front

What is freezing?

Back

Freezing is the process of turning a liquid into a solid by lowering its temperature.