Unit 8 Energy Assessment

What is the energy of motion?

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

What do you call energy stored due to height?

Tags

NGSS.MS-PS3-2

What is it called when the total energy in a system is constant?

• law of conservation of energy

• law of motion

• law of physics

• law of gravity

Tags

NGSS.HS-PS3-4

What is the unit used for WORK?

The total energy is the sum of kinetic energy and what else?

Tags

NGSS.MS-PS3-2

When an object falls straight down, it loses ______ _______.

An arrow sitting in a bow has a potential energy of 120 J. Once released, how many joules of kinetic energy does it have?

• 60J

• 0J

• 240J

• 120J

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-3

If a car rolls to a stop, which of the following describe the energy conversion?

• potential energy to thermal energy

• mechanical energy to potential energy

• kinetic energy to thermal energy

• thermal energy to potential energy

Tags

NGSS.HS-PS3-4

When dropping a basketball, how does the potential energy at the top of the basketball's path compare to the kinetic energy at the bottom of the basketball's path?

• The potential energy is greater.

• They energies are equal.

• The kinetic energy is greater.

• We need more information to answer this question.

The amount of potential energy possessed by an elevated object is equal to...

• the distance it is lifted

• the work done in lifting it

• the force needed to lift it

• the value of the acceleration due to gravity