2023-24 8th Grade Science Final

Anything that has mass and takes up space.

• matter

• atom

• substance

• fluid

The amount of matter in an object.

• mass

• volume

• density

• temperature

Two or more substances that are together in the same place but their atoms are not chemically bonded.

• mixture

• element

• compound

• fluid

A neutral group of two or more atoms held together by covalent bonds.

• molecule

• atom

• proton

• electron

The change in state from a solid to a liquid.

• melting

• freezing

• boiling

• vaporization

The temperature at which a substance changes from a solid to a liquid.

• melting point

• freezing point

• condensation

• boiling point

The sum of protons and neutrons in the nucleus of an atom.

• mass number

• isotope

• chemical formula

• density

The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.

• atom

• molecule

• proton

• neutron

A solid made up of particles that are not arranged in a regular pattern.

• amorphous solid

• crystalline solid

• element

• atomic mass

The average mass of all the isotopes of an element.

• atomic mass

• energy level

• viscosity

• density