Matter Pre-Assessment

Matter is made up of tiny _______________________________.

_________________________ are the building blocks of matter.

An _______________________ is made up of just one kind of atom.

A ________________________ of water is made up of two hydrogen atoms and one oxygen atom.

In a ______________________ one substance is dissolved in another.

In a _____________________ the molecules are tightly packed together.

The molecules move freely and very quickly in a _____________________.

Molecules of a __________________ are close together but slide past each other easily.

The smallest part of an element is an atom, and still retains it's properties.

There are less than 50 known elements on Earth.

An increase in temperature and stirring often increase the rate of solubility.