Atomic Theory

What are the three states of matter?

• solid, volume, mass

• density, volume, mass

• solid, liquid, gas

• density, gas, volume

Something that takes up space and has mass.

• volume

• matter

• mass

• density

A state of matter that has a definite volume and shape.

• solid

• liquid

• gas

• matter

All matter is made of

• energy

• atoms

• air

• chemistry

Matter is made up of tiny _____________ called _________________.

• matter, mass

• volume, atoms

• particles, molecules

• theories, atoms

Atoms are made up of what 3 parts?

• positive, negative, and neutral

• protons, neutrons, and electrons

• molecules, atoms, particles

• water, hydrogen, oxygen

The number of protons, neutrons, and electrons that an atom has is called the____________________.

• the sum

• the difference

• elemental number

• atomic number

The higher the atomic number, the larger _________.

• atom

• proton

• electron

• neutron

__________ is the amount of matter in an object.

• Volume

• Mass

• Matter

• Density

What part of the plant soaks up nutrients from the ground?

• leaves
• stem
• roots
• flower