Frequently Confused Words

Which of the following terms refers to the process by which plants make their own food using sunlight?

• Photosynthesis

• Respiration

• Transpiration

• Fermentation

Tags

NGSS.MS-LS1-6

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 of the following is the correct term for a substance that speeds up a chemical reaction without being consumed?

• Catalyst

• Enzyme

• Reactant

• Product

What is the term for the force that opposes the motion of an object through a fluid?

• Friction

• Drag

• Lift

• Thrust

Which of the following terms describes the amount of matter in an object?

• Weight

• Volume

• Mass

• Density

What is the term for the change of state from a gas to a liquid?

• Evaporation

• Condensation

• Sublimation

• Deposition

Tags

NGSS.MS-PS1-4

Which of the following terms refers to the bending of light as it passes from one medium to another?

• Reflection

• Refraction

• Diffraction

• Dispersion

Tags

NGSS.MS-PS4-2

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 of the following terms describes a solution with a pH less than 7?

• Acidic

• Basic

• Neutral

• Alkaline

What is the term for the positively charged particle in the nucleus of an atom?

• Electron

• Neutron

• Proton

• Photon