Vocabulary Words

What is the term for the smallest unit of a chemical element that retains its chemical properties?

• Molecule

• Atom

• Compound

• Ion

Tags

NGSS.MS-PS1-1

Which term describes the process by which plants convert sunlight into chemical energy?

• Respiration

• Photosynthesis

• Transpiration

• Fermentation

Tags

NGSS.MS-LS1-6

What is the name of the force that opposes the motion of objects through air?

• Gravity

• Friction

• Air resistance

• Magnetism

Which term refers to the amount of matter in an object?

• Weight

• Volume

• Density

• Mass

What is the term for a substance made of two or more elements chemically combined in a fixed ratio?

• Mixture

• Solution

• Compound

• Element

Which term describes the change of state from a gas to a liquid?

• Evaporation

• Condensation

• Sublimation

• Freezing

Tags

NGSS.MS-PS1-4

What is the term for the energy possessed by a body due to its motion?

• Potential energy

• Kinetic energy

• Thermal energy

• Chemical energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which term refers to the negatively charged particles in an atom?

• Protons

• Neutrons

• Electrons

• Ions

What is the term for the variable that is changed or controlled in a scientific experiment?

• Dependent variable

• Independent variable

• Controlled variable

• Extraneous variable

Which term describes the ability of a substance to be dissolved in a solvent?

• Solubility

• Concentration

• Saturation

• Dilution