Energy Physical Science

The gravitational potential energy of a cucumber-Earth system changes when which factor changes?

• the cucumber's speed
• the cucumber's mass
• the cucumber's temperature
• the cucumber's length

Tags

NGSS.HS-PS2-4

The potential energy of an object depends on its

• Speed
• Position
• Mass
• Volume

Tags

NGSS.MS-PS3-2

Which of the following is not used to calculate kinetic energy?

• Mass
• Weight
• Height
• Speed

Thermal Energy is measured in

• Fahrenheit
• Celsius
• Joule
• Kelvin

Which of the following is not used to calculate potential energy?

• Mass
• Gravitational acceleration
• height
• speed

Which sequence describes the energy conversions in a car’s engine?

• chemical to thermal to mechanical
• mechanical to thermal to chemical
• thermal to mechanical to chemical
• kinetic to potential to mechanical

Tags

NGSS.HS-PS3-3

NGSS.HS-PS3-4

What is the potential energy of a 10.0 kg weight suspended 3.0 m above the ground?

• 3.3 J
• 30 J
• 294 J
• 2900J

Tags

NGSS.HS-PS2-4

What is the kinetic energy of a 1000 kg car traveling at 20 m/s _______.

• 200000 J
• 20000 J
• 400000 J
• 20000000 J

Tags

NGSS.HS-PS3-2

According to the law of conservation of energy?

• energy cannot be created or destroyed
• everything eventually stops moving
• potential energy must be converted into kinetic energy
• kinetic energy plus potential energy equals mechanical energy

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

Friction causes mechanical energy to be converted into which form?

• thermal energy
• kinetic energy
• nuclear energy
• potential energy

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5