Energy Basics

What is the law of conservation of energy?

• Energy can be created and destroyed.

• Energy can only be transformed, not created or destroyed.

• Energy can be created but not destroyed.

• Energy is a finite resource that can be depleted.

What is an example of energy transformation?

• When you eat food, chemical energy transforms into kinetic energy when you run.

• A light bulb converts electrical energy into sound energy.

• A car engine transforms thermal energy into potential energy.

• Photosynthesis converts kinetic energy into chemical energy.

What happens to energy when you throw a ball?

• The energy from your arm transfers to the ball, giving it kinetic energy.

• The ball absorbs energy from the air around it.

• The energy is lost as heat due to friction.

• The ball remains at rest and does not gain energy.

What is kinetic energy?

• Kinetic energy is the energy an object has due to its motion.

• Kinetic energy is the energy stored in an object at rest.

• Kinetic energy is the energy an object has due to its position.

• Kinetic energy is the energy released during a chemical reaction.

What is an example of potential energy?

• A rock at the top of a hill has potential energy due to its height.

• A car moving at high speed has potential energy due to its motion.

• A stretched rubber band has potential energy due to its tension.

• A book lying flat on a table has potential energy due to its weight.

What happens to energy when a rock is tossed into water?

• The rock sinks to the bottom without any effect.

• The energy from the rock transfers to the water, creating ripples.

• The water absorbs the rock completely.

• The rock bounces off the surface of the water.

What is potential energy?

• The energy of an object in motion.

• The energy stored in an object due to its position or state.

• The energy released during a chemical reaction.

• The energy associated with the temperature of an object.

What is energy transformation?

• Energy transformation is the process of changing energy from one form to another.

• Energy transformation is the process of creating energy from nothing.

• Energy transformation is the process of storing energy in a single form.

• Energy transformation is the process of losing energy during a reaction.

How does energy transfer occur?

• Energy transfer occurs when energy moves from one object to another.

• Energy transfer occurs when energy is created from nothing.

• Energy transfer occurs only in living organisms.

• Energy transfer occurs when energy is lost to the environment.

Can energy be created or destroyed?

• Yes, energy can be created and destroyed.

• Energy can only be created.

• No, energy cannot be created or destroyed; it can only change forms.

• Energy can only be destroyed.