CHEMISTRY - GRADE 5

Anything that takes up space or has weight.

• gas

• matter

• solution

• properties

Particles can move freely in all directions / can change volume and shape.

• gas

• matter

• solution

• properties

Scientists observe and measure these to identify unknown substances.

• gas

• matter

• solution

• properties

A mixture in which the particles of a material are evenly mixed with the particles of another material.

• gas

• matter

• solution

• properties

All matter is made of these smaller pieces of matter, which are always moving.

• gases

• solutions

• particles

• properties

The way particles in a piece of matter move is called...

• state of matter

• solubility

• reflectivity

• substances

The amount of matter in an object or a substance.

• proton

• electron

• mixture

• mass

A substance whose molecules contain atoms of different elements.

• proton

• electron

• compound

• particles

Negatively charged particles found in the nucleus of an atom.

• proton

• electron

• molecule

• neutron

This is made up of two or more atoms joined tightly together.

• gas

• electron

• molecule

• neutron