Energy and Transfer Quiz

What is the definition of energy?

• the ability to see in the dark

• the force of gravity

• the speed of light

• capacity of a physical system to do work or produce heat

Name the two main types of energy.

• kinetic energy and potential energy

• nuclear energy and electromagnetic energy

• mechanical energy and sound energy

• thermal energy and electrical energy

What is the unit of energy?

• Ampere

• Joule

• Volt

• Watt

What is the law of conservation of energy?

• Energy can be created and destroyed.

• Energy can be transformed into matter.

• Energy can only be transferred.

• Energy cannot be created or destroyed, only transferred or transformed.

What is potential energy?

• The energy possessed by an object due to its color.

• The energy possessed by an object due to its position or condition.

• The energy possessed by an object due to its motion.

• The energy possessed by an object due to its temperature.

What is kinetic energy?

• Energy possessed by an object due to its motion

• Energy possessed by an object due to its shape

• Energy possessed by an object at rest

• Energy possessed by an object due to its position

Give an example of energy transfer through conduction.

• Glass spoon in hot tea

• Plastic spoon in hot tea

• Metal spoon in hot tea

• Wooden spoon in hot tea

What is the process of energy transfer through electromagnetic waves called?

• conduction

• convection

• radiation

• absorption

What is the formula to calculate gravitational potential energy?

• potential energy = mass * gravity * distance

• potential energy = mass * gravity * height

• potential energy = mass * acceleration * height

• potential energy = force * distance

Explain the concept of energy efficiency.

• Energy efficiency is the ability to use more energy to perform the same task or achieve the same outcome.

• Energy efficiency is the ability to use less energy to perform the same task or achieve the same outcome.

• Energy efficiency is the ability to waste energy while performing a task.

• Energy efficiency is the ability to use energy in an inefficient manner.