Energy Formative

Which formula can be used to calculate the potential energy of an object?

• PE = 2mgh

• PE = mgh^3
• PE = ½ mv^2

• PE = mgh

Tags

9-12-PS3.A-1

What is the formula for calculating kinetic energy?

• KE = mv

• KE = 1/2 m v^2

• KE = m + v^2
• KE = 1/2 m v

Tags

9-12-PS3.A-1

What is the mathematical relationship between mechanical energy (ME), potential energy (PE), and kinetic energy (KE)?

• ME = PE + KE
• ME = PE - KE
• ME = PE x KE

• ME = PE / KE

Tags

9-12-PS3.A-1

How can kinetic energy be converted to thermal energy?

• Convection
• Friction
• Radiation
• Conduction

Tags

9-12-PS3.A-1

Which type of energy is stored due to the position of an object above the Earth's surface?

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

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9-12-PS3.A-2

What form of energy is associated with the sensation of warmth or heat?

• kinetic energy
• thermal energy
• potential energy
• electrical energy

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9-12-PS3.A-3

Which type of energy is primarily associated with the motion of particles?

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

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9-12-PS3.A-1

Law of conservation of Energy

• Energy can only be transformed into light.
• Energy cannot be created or destroyed, but it can be transformed from one form to another.
• Energy can be created and destroyed at will.
• Energy can only be transformed into heat.

Tags

HS-PS3-B-1

How does heat transfer occur in a metal rod when one end is heated?

• Conduction
• Absorption
• Radiation
• Convection

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9-12-PS3.B-4

Which energy source is derived from the sun and can be converted into electricity?

• solar energy
• nuclear energy
• geothermal energy
• wind energy

Tags

9-12-PS3.A-3