7th Grade science Vocabulary

Front

What is sound?

Back

Sound is caused by vibrations, which are rapid back-and-forth motions that occur when an object is disturbed by an energy source.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is velocity?

Back

Velocity is speed in a given direction.

Front

What is force?

Back

A force is a push or pull on an object that may change the motion of the object.

Tags

NGSS.MS-PS2-2

Front

Who is credited with the three laws of motion?

Back

Sir Isaac Newton is credited with the three laws of motion and also invented calculus.

Tags

NGSS.HS-PS2-1

Front

What is acceleration?

Back

Acceleration is the rate at which an object's velocity changes over time, including both speed and direction.

Front

What is mass?

Back

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

Front

What is weight?

Back

Weight is the force exerted by gravity on an object, calculated as mass times the acceleration due to gravity.

Tags

NGSS.MS-PS2-4

Front

What is displacement?

Back

Displacement is the shortest distance from the initial to the final position of an object, including direction.

Front

What is energy?

Back

Energy is the ability to do work or cause change, existing in various forms such as kinetic, potential, thermal, etc.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

What is kinetic energy?

Back

Kinetic energy is the energy an object possesses due to its motion, calculated as 1/2 mass times velocity squared.

Tags

NGSS.MS-PS3-1