Kinetic and Potential Energy Worksheets - 15 Worksheets Library - Free Printable

Let's solve this Energy Transformations worksheet step by step. The goal is to identify the type of energy before and after each transformation, based on the pictures.

We are given a list of energy types:

- Kinetic
- Potential
- Mechanical
- Radiant
- Stored
- Sound
- Light
- Elastic
- Chemical
- Electrical
- Nuclear
- Heat

Now let’s analyze each row (from top to bottom):

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🔹 Row 1: Hand turning a light switch → Desk lamp with light on

- Left Picture: A hand flipping a light switch — this involves electrical energy being used.
- Right Picture: A lamp emitting light — so light energy is produced.

✔ Transformation: Electrical → Light

> Answer:
> Left box: Electrical
> Right box: Light

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🔹 Row 2: Apple falling from a tree → Boy running

- Left Picture: An apple falling — it starts with gravitational potential energy (stored in height), then converts to kinetic energy as it falls.
- Right Picture: A boy running — he has kinetic energy due to motion.

But wait — the arrow goes from apple falling → boy running. That seems odd unless we're thinking about food chain or energy transfer.

Actually, think deeper:
- The apple contains chemical energy (from photosynthesis).
- When the boy eats the apple, he gains chemical energy, which his body converts into kinetic energy to run.

So the apple has chemical energy stored in it (from sunlight).
The boy uses that energy to move → kinetic energy.

✔ Transformation: Chemical → Kinetic

> Answer:
> Left box: Chemical
> Right box: Kinetic

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🔹 Row 3: Sun → Angry face (hot)

- Left Picture: The sun — emits radiant energy (sunlight).
- Right Picture: A person sweating, angry — indicating heat.

Sunlight heats up the person → radiant energy becomes heat energy.

✔ Transformation: Radiant → Heat

> Answer:
> Left box: Radiant
> Right box: Heat

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🔹 Row 4: Batteries → Stereo speaker playing music

- Left Picture: Two batteries — they store chemical energy.
- Right Picture: A stereo playing music — producing sound energy.

Batteries provide electrical energy (from chemical reaction) → stereo converts it into sound.

So:
- Batteries have chemical energy → converted to electrical energy → then to sound energy.

But since the transformation is shown directly from batteries to sound, we can say:

✔ Transformation: Chemical → Sound

> Answer:
> Left box: Chemical
> Right box: Sound

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✔ Final Answers:

| Left Box | → | Right Box |
|------------------|----------|------------------|
| Electrical | → | Light |
| Chemical | → | Kinetic |
| Radiant | → | Heat |
| Chemical | → | Sound |

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📝 Summary of Energy Types Used:

- Electrical: From switch to light
- Chemical: In apple, in batteries
- Kinetic: Boy running
- Radiant: Sunlight
- Heat: Body temperature rise
- Sound: Music from speaker

This worksheet teaches how energy changes form in everyday situations.

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