Break It Down Check for Understanding

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded together.

Front

True or false? Scientists often have to break down mixtures to understand them.

Back

True

Front

True or false? Mixtures can be easily separated into their components.

Back

False

Front

What is plasma in relation to blood?

Back

Plasma is the liquid part of blood that carries cells and nutrients.

Front

What property of water helps in filtering pure water from salty ocean water?

Back

Water molecules are smaller than many other kinds of molecules.

Front

What is an example of a mixture?

Back

Air is an example of a mixture, as it contains various gases.

Front

True or false? All mixtures are homogeneous.

Back

False

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture where the components can be seen and are not uniform.

Front

Give an example of a heterogeneous mixture.

Back

Salad is an example of a heterogeneous mixture.