7th Grade Science Vocabulary Words WE MUST KNOw

Front

What is convection?

Back

Convection is the movement of heat through fluids (liquids and gases) caused by the rising of warmer, less dense areas and the sinking of cooler, denser areas.

Tags

NGSS.MS-ESS2-6

Front

What is acceleration?

Back

Acceleration is the rate at which the velocity of an object changes over time.

Front

What is mass?

Back

Mass is the amount of matter in an object, typically measured in grams or kilograms.

Front

What are compounds?

Back

Compounds are substances formed when two or more elements chemically bond together.

Tags

NGSS.MS-PS1-1

Front

What is atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Tags

NGSS.MS-PS3-3

Front

What is radiation?

Back

Radiation is the transfer of energy through electromagnetic waves, such as light or heat.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is density?

Back

Density is the mass of an object divided by its volume, often expressed in grams per cubic centimeter (g/cm³).

Front

What is velocity?

Back

Velocity is the speed of an object in a specific direction.

Front

What is speed?

Back

Speed is the distance traveled per unit of time, regardless of direction.