3rd Quarter Science Atoms and Molecules

It is the study of matter - what it's made of, what its usual characteristics are, and how they react with other matter.

It is anything that takes up space and has mass.

Chemistry is __.

• the study of matter

• the study of machines

• the study of mathematics

• the study of force

Matter is __.

• anything that takes up space and has mass

• anything that has no mass

• anything that does not take up any space

It is the smallest piece of an element that can be recognised as an element.

These are substances containing only one kind of atom. (plural)

Atom is __.

• the largest unit of matter
• a type of fruit
• a unit of time
• the smallest piece of an element that can be recognised as an element

Elements are __.

• substances that contain only one kind of atom

• substances that are not composed of atoms
• substances that are only found in living organisms
• substances that can be broken down into simpler substances by chemical means

What are the three basic parts of an atom? (answer is in plural form, separated by commas)

What part of an atom has positive charge?

• protons

• electron cloud
• neutrons

• nucleus