Unit 1 Vocabulary Review

A subatomic particle with a positive charge, found in the nucleus of an atom. Fill in the blank with the correct vocabulary word.

• Proton

• Electron

• Neutron

• Photon

Matter that has the same chemical composition throughout and cannot be separated into its parts by physical means. Fill in the blank with the correct vocabulary word.

• Substance

• Mixture

• Solution

• Element

Tags

NGSS.MS-PS1-4

A substance made of two or more elements chemically combined in a fixed ratio or proportion. Fill in the blank with the correct vocabulary word.

• Compound

• Mixture

• Element

• Solution

The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element. Fill in the blank with the correct vocabulary word.

• Atom

• Molecule

• Compound

• Ion

Tags

NGSS.MS-PS1-1

A process in which new substances are formed during a chemical change. Fill in the blank with the correct vocabulary word.

• Chemical reaction

• Physical change

• Evaporation

• Condensation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

F. A mixture in which the substances are evenly distributed throughout the mixture. Fill in the blank with the correct vocabulary word.

• Homogeneous mixture

• Heterogeneous mixture

• Suspension

• Colloid

A subatomic particle with no charge, found in the nucleus of an atom. Fill in the blank with the correct vocabulary word.

• Neutron

• Proton

• Electron

• Positron

The mass of a substance per unit volume. Fill in the blank with the correct vocabulary word.

• Density

• Temperature

• Pressure

• Viscosity

A mixture in which the substances cannot be broken down into other substances by chemical or physical means. Fill in the blank with the correct vocabulary word.

• Element

• Compound

• Solution

• Mixture

A mixture in which the substances are not evenly distributed throughout the mixture. Fill in the blank with the correct vocabulary word.

• Heterogeneous mixture

• Homogeneous mixture

• Solution

• Compound