Words

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

• Atom

• Molecule

• Compound

• Ion

Tags

NGSS.MS-PS1-1

Which of the following words describes a substance that speeds up a chemical reaction without being consumed?

• Catalyst

• Reactant

• Product

• Inhibitor

What is the scientific term for the amount of matter in an object?

• Mass

• Weight

• Volume

• Density

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

• Photosynthesis

• Respiration

• Transpiration

• Fermentation

Tags

NGSS.MS-LS1-6

What is the term for a change in which one or more substances are converted into different substances?

• Chemical Reaction

• Physical Change

• Nuclear Reaction

• Phase Transition

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following words refers to the force that attracts a body toward the center of the earth?

• Gravity

• Magnetism

• Friction

• Tension

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

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

• Kinetic Energy

• Potential Energy

• Thermal Energy

• Chemical Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which word describes the measure of the average kinetic energy of the particles in a substance?

• Temperature

• Heat

• Energy

• Pressure

Tags

NGSS.MS-PS3-4

What is the term for the resistance of any physical object to any change in its velocity?

• Inertia

• Momentum

• Force

• Acceleration

Which of the following words describes the smallest particle of a chemical element that can exist?

• Atom

• Molecule

• Electron

• Proton