Energy, Motion, and Force

Front

Energy Noun

---

[en-er-jee]

Back

Energy

---

The ability or capacity to do work or to cause a change in the state or motion of an object.

---

Example: A battery powers a light bulb, showing energy transfer in a circuit.

Front

Energy Source Noun

---

[en-er-jee sors]

Back

Energy Source

---

The origin from which usable energy is supplied to cause change, such as fuel, food, or the sun.

---

Example: The sun provides energy to Earth, shown by arrows indicating energy transfer.

Front

Energy Transfer Noun

---

[en-er-jee trans-fur]

Back

Energy Transfer

---

The process by which energy moves from one object, place, or system to another, often changing its form.

---

Example: Heat flows from a hot object to a cold one, showing energy transfer.

Front

Motion Noun

---

[moh-shun]

Back

Motion

---

The state in which an object's distance or position changes over time in relation to a reference point.

---

Example: A cyclist moves down and up a hill, showing motion as a change in position over time.

Front

Force Noun

---

[fors]

Back

Force

---

A push or a pull exerted on an object that can cause it to accelerate, decelerate, or change direction.

---

Example: A person pushing a box shows how force can move an object.

Front

Chemical Energy Noun

---

[kem-i-kuhl en-er-jee]

Back

Chemical Energy

---

A form of potential energy that is stored within the chemical bonds of atoms and molecules in a substance.

---

Example: A battery stores chemical energy, which is released as electricity when electrons flow from anode to cathode.

Front

Electromagnetic Radiation Noun

---

[ih-lek-troh-mag-net-ik ray-dee-ay-shun]

Back

Electromagnetic Radiation

---

A form of energy, including visible light, that travels through space as waves from a source like the sun.

---

Example: The image shows the electromagnetic spectrum, highlighting visible light as part of the energy waves from the sun.