Kinetic and Potential Energy Worksheet Answer Key | PDF | Kinetic ... - Free Printable

Let's go through each image and determine whether it illustrates Kinetic Energy or Potential Energy, with explanations.

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🔹 Kinetic Energy = energy of motion

🔹 Potential Energy = stored energy (due to position, state, or configuration)

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1. Tennis racket hitting a ball

- ✔ Kinetic
- The ball is in motion → kinetic energy.

2. Gas pump

- ✔ Potential
- Fuel stores chemical energy; it’s potential energy until used.

3. Hamburger

- ✔ Potential
- Food contains chemical energy (stored), which is potential energy.

4. Children playing with a ball

- ✔ Kinetic
- The ball is moving → kinetic energy.

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5. Coal

- ✔ Potential
- Coal has stored chemical energy → potential energy.

6. Bow and arrow (drawn back)

- ✔ Potential
- The stretched bow stores elastic potential energy.

7. Battery

- ✔ Potential
- Stores electrical/chemical energy → potential energy.

8. Balloon being inflated

- ✔ Potential
- Air pressure inside the balloon creates elastic potential energy.

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9. Girl holding a ball on a high platform

- ✔ Potential
- The ball is raised above ground → gravitational potential energy.

10. Cyclists going up and down a hill

- ✔ Both, but here: Potential
- At the top of the hill, they have maximum gravitational potential energy.
- But since the picture shows them at the peak, this emphasizes potential energy.

> Note: If they were going downhill, it would be kinetic. But the focus here is the height → Potential.

11. Stretched spring

- ✔ Potential
- Elastic potential energy due to deformation.

12. Person lifting an object

- ✔ Potential
- Object is raised → gravitational potential energy.

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13. Balloon (not inflated, just floating?)

- ✘ Wait — this is a deflated balloon?
Actually, this looks like a regular green balloon, possibly floating. But if it's not moving and just sitting there, it might be potential?

But wait — if it's filled with air and floating, it could have kinetic energy if rising. However, if it's just resting, then potential?

But looking closely — this is likely a deflated balloon (no label). Or perhaps it's meant to be inflated?

But based on context:
- Previous one was inflating → this one seems resting.
→ So Potential? Not necessarily.

Wait — actually, this balloon is not shown in motion, so unless it's floating upward, it's potential? But balloons float due to buoyancy.

But in educational contexts, an inflated balloon ready to fly is often considered potential (elastic + buoyant potential).

But more likely: This is a regular balloon — no motion → Potential? Or maybe Kinetic?

Actually, if it's not moving, it's potential.

But the previous one was "being inflated" → this one is just a balloon.

Looking again: It's a green balloon, not moving → Potential? But balloons have stored energy from inflation.

✔ Potential — because the stretched rubber holds elastic potential energy.

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14. Dynamite

- ✔ Potential
- Chemical energy stored in explosives → potential energy.

15. Ball falling from a height

- ✔ Kinetic
- The ball is falling → in motion → kinetic energy.

> Even though it started with potential energy, the image shows motion → kinetic.

16. Man pushing a cart

- ✔ Kinetic
- The man and cart are in motion → kinetic energy.

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## ✔ Final Answers:

| Image | Energy Type | Explanation |
|------|-------------|-----------|
| 1. Tennis ball hit | Kinetic | Ball is moving |
| 2. Gas pump | Potential | Stored fuel energy |
| 3. Hamburger | Potential | Chemical energy in food |
| 4. Kids with ball | Kinetic | Ball in motion |
| 5. Coal | Potential | Stored chemical energy |
| 6. Bow & arrow (drawn) | Potential | Elastic potential energy |
| 7. Battery | Potential | Stored electrical/chemical energy |
| 8. Inflated balloon | Potential | Elastic potential energy |
| 9. Girl holding ball on ledge | Potential | Gravitational potential energy |
| 10. Cyclists at hilltop | Potential | High elevation → potential energy |
| 11. Stretched spring | Potential | Elastic potential energy |
| 12. Raised object | Potential | Gravitational potential energy |
| 13. Balloon (floating?) | Potential | Elastic/buoyant potential energy (or if not moving, potential) |
| 14. Dynamite | Potential | Stored chemical energy |
| 15. Ball falling | Kinetic | Object in motion |
| 16. Man pushing cart | Kinetic | Motion → kinetic energy |

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✔ Correct Choices:

- Kinetic: 1, 4, 15, 16
- Potential: 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

> Note: Some images (like #13) may be ambiguous, but in context, they’re intended as potential.

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✔ Summary of Answers:

1. Kinetic
2. Potential
3. Potential
4. Kinetic
5. Potential
6. Potential
7. Potential
8. Potential
9. Potential
10. Potential
11. Potential
12. Potential
13. Potential
14. Potential
15. Kinetic
16. Kinetic

✔ These are the correct classifications for the worksheet.