Energy and Work

How much work was done?

• 2 J

• 0.5 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the formula for work?

• Force = work x distance

• Distance = force x work

• Work = force x distance

• Work = force x mass

If a lion drags his prey 10 meters to his den doing 500 joules of work, how much force did he use?

• 50 Newtons

• 500 Joules

• 50,000 Newtons

• 10 Newtons

Tags

NGSS.MS-PS2-2

_____ is said to be done when force moves an object.

• work

• energy

• motion

• Force

When is sound energy produced?

• When an object sent into vibration or motion

• When an object moves

• When an object gets light

• When a person hits a person :)

Tags

NGSS.MS-PS4-1

Which of the following energy is/are present in the animation? Check all that applies.

• Thermal

• Electrical

• Light

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Particles in motion have ___________ energy.

• thermal

• kinetic

• potential

• sound

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

How do you increase the kinetic energy of molecules?

• Decrease the temp

• change the energy input

• increase the thermal energy

• expand the molecules and increase the density

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What type of thermal energy transfer is occurring at point A?

• Radiation

• Convection

• Conduction

• None of the above

What type of thermal energy transfer is occurring at point B?

• Convection

• Conduction

• Radiation

• Kinetic

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4