Lesson 1.1 Describing and Classifying Matter

Front

What is a chemical property?

Back

A characteristic of a substance that can only be observed during a chemical reaction, such as rusting or corroding.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed without changing the substance into another type of matter, such as color, mass, or volume.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that object.

Front

What is a mixture?

Back

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

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together, such as carbon dioxide.

Front

What is the definition of volume?

Back

The amount of space an object occupies, usually measured in liters or cubic centimeters.

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Front

What is the difference between a homogeneous mixture and a heterogeneous mixture?

Back

A homogeneous mixture has a uniform composition throughout, while a heterogeneous mixture has a non-uniform composition.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change, as it changes from solid to liquid without altering its chemical composition.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change, as it transforms the wood into ash and gases.