Front

What is a homogeneous mixture?

Back

A homogeneous mixture has a uniform composition throughout.

Front

What is the composition of the Earth's mantle?

Back

The mantle is composed of solid rock that flows slowly.

Front

How are the atoms arranged in a liquid?

Back

In a liquid, atoms are loosely packed and can slide past each other.

Front

What is the inner core of the Earth made of?

Back

The inner core is a solid layer made mostly of iron and nickel.

Front

What is an example of a pure substance?

Back

Gold is an example of a pure substance.

Front

What is a mixture?

Back

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

Front

What is the difference between a homogeneous and heterogeneous mixture?

Back

A homogeneous mixture has a uniform composition, while a heterogeneous mixture has visibly different parts.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What is the definition of a solid?

Back

A solid has tightly packed atoms that do not move freely.

Front

What is the definition of a gas?

Back

A gas has atoms that are far apart and move freely.