Science Quiz

Atoms are mostly empty space.

• True

• False

Heat is a form of matter.

• True

• False

Energy is anything that has mass and takes up space.

• True

• False

Atoms of the same element have different properties.

• True

• False

Atoms make up all matter.

• True

• False

What is an element?

• A substance composed of multiple types of atoms

• A substance composed of only one type of atom

• A mixture of different substances

• A compound of various molecules

What does the Greek word 'A’tomos' mean?

• Something that can be divided into smaller particles

• Something that cannot be divided into smaller particles

• A large particle

• A visible particle

How many known elements are there?

• 100

• 108

• 118

• 128

What is the smallest particle of matter that is too small to be seen with a classroom microscope?

• Molecule

• Atom

• Electron

• Proton

What is the atomic number of an element based on?

• The number of electrons

• The number of neutrons

• The number of protons

• The number of atoms