Energy Transformations

Front

What type of energy is food energy stored in your muscles?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like food, which is used by muscles to perform work.

Front

Describe the energy transformations that occur when a flashlight that runs on batteries is turned on.

Back

The energy transformations are: Chemical energy (from batteries) → Electrical energy (when the flashlight is turned on) → Light energy (when the flashlight emits light).

Front

What type of energy is represented when muscles push the pedals on a bicycle?

Back

Mechanical energy is the energy associated with the motion and position of an object, in this case, the bicycle wheels.

Front

What is the energy transformation when something falls off your desk?

Back

The energy transformation is Gravitational potential energy to Kinetic energy as the object falls.

Front

What energy transformation occurs in a chameleon as it quickly launches its tongue to catch an insect?

Back

The energy transformation is Chemical energy (from the chameleon's muscles) to Mechanical energy (the movement of the tongue).

Front

Define energy transformation.

Back

Energy transformation is the process of changing energy from one form to another, such as from chemical energy to mechanical energy.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object, used to do work.

Front

What is chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, which can be released during a chemical reaction.

Front

Explain gravitational potential energy.

Back

Gravitational potential energy is the energy an object possesses due to its position in a gravitational field, typically related to its height.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion, depending on its mass and velocity.