Science Voc Topic 1

The measure of how much matter is in an object.

• mass

• volume

• density

• weight

The measure of the force of gravity acting on an object.

• weight

• mass

• volume

• density

Anything that has mass and takes up space.

• matter

• energy

• light

• sound

Two or more atoms held together by covalent bonds.

• molecule

• atom

• compound

• element

A substance made of two or more different elements

chemically combined in a specific ratio.

• compound

• mixture

• element

• solution

The smallest particle of an element.

• atom

• molecule

• cell

• particle

A pure substance made up of only one type of atom

and cannot be broken down into other substances.

• element

• compound

• mixture

• solution

A single kind of matter that is pure and has specific properties.

• element

• mixture

• compound

• substance

A property of a substance that describes its ability

to change into something different.

• chemical property

• physical property

• density

• mass

A property of a substance that can be

observed without changing the substance.

• physical property

• chemical reaction

• atomic number

• molecular structure