Physical Science - Ch 15 Review

Front

What is a heterogeneous mixture that settles?

Back

A suspension is a heterogeneous mixture that settles over time.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout, such as pop (soda).

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed without changing its chemical composition, such as color.

Front

What is a chemical change?

Back

A chemical change is a process that involves the transformation of one substance into another, altering its chemical composition.

Front

What is a colloid?

Back

A colloid is a mixture where tiny particles are dispersed throughout another substance, such as fog.

Front

What is the difference between a solution and a suspension?

Back

A solution is a homogeneous mixture where the solute is completely dissolved, while a suspension is a heterogeneous mixture that can settle.

Front

Give an example of a physical change.

Back

An example of a physical change is melting ice into water.

Front

What is the definition of a compound?

Back

A compound is a substance formed when two or more elements chemically bond together.

Front

What is the definition of a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties.

Front

What is the definition of a chemical property?

Back

A chemical property is a characteristic that can only be observed during a chemical reaction, such as reactivity.