50+ Energy worksheets for 7th Year on Quizizz | Free & Printable - Free Printable

Let’s go through each question one by one, step by step.

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Question 1: An object at rest on top of a shelf is likely to have:

- The object isn’t moving → so no kinetic energy.
- It’s high up → gravity can pull it down → that means it has stored energy due to height → called gravitational potential energy.
- Hydroelectric power? That’s from water flowing — not relevant here.
- “No energy” is wrong — everything has some form of energy.

✔ Correct answer: A. Gravitational potential energy

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Question 2: Batteries are stores of:

- Batteries don’t store electrical energy directly — they store energy in chemicals inside them.
- When you use the battery, chemical reactions happen and release electrical energy.
- Light energy? No — unless it’s powering a light bulb, but the battery itself doesn’t store light.

✔ Correct answer: B. Chemical energy

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Question 3: Energy is usefully transferred from a personal audio player as:

- What do we want from an audio player? Sound! Music, voices, etc.
- Kinetic energy? Maybe if it vibrates — but that’s not useful.
- Thermal energy? Heat — that’s wasted energy, not what we want.
- So the *useful* transfer is sound.

✔ Correct answer: C. Sound energy

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Question 4: Which is likely to contain the most thermal energy?

Thermal energy depends on both temperature AND mass (how much stuff there is).

- A red hot horseshoe → very hot, and fairly heavy → lots of particles vibrating → lots of thermal energy.
- An ice cube → cold → low thermal energy.
- A spark from a firework → super hot, but tiny — almost no mass → very little total thermal energy.

So even though the spark is hotter, the horseshoe has way more thermal energy because it’s bigger.

✔ Correct answer: A. A red hot horseshoe

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Question 5: Which is likely to have the highest temperature?

Temperature = how hot something feels / average energy per particle.

- Ice cube → 0°C or below → cold.
- Red hot horseshoe → maybe 800–1000°C → very hot.
- Spark from a firework → can be over 2000°C → extremely hot!

Even though it’s small, its temperature is highest.

✔ Correct answer: B. A spark from a firework

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Question 6: Which type of energy transfer requires particles?

- Conduction → needs direct contact between particles (like metal spoon getting hot in soup) → YES, needs particles.
- Radiation → travels through empty space (like sunlight) → NO particles needed.
- Temperature → not a type of energy transfer — it’s a measurement.

✔ Correct answer: A. Conduction

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Question 7: Thermal energy is transferred by conduction from:

Conduction happens when heat moves from a hotter object to a colder one through direct contact.

So thermal energy flows FROM hot TO cold.

The question says “from:” — so we’re looking for where it starts → the hotter place.

But wait — the options aren’t shown fully in your image. You only wrote:

> 7. Thermal energy is transferred by conduction from:

And then stopped. But based on standard science knowledge:

→ Conduction transfers thermal energy from a region of higher temperature to a region of lower temperature.

If this were multiple choice, correct option would be something like:
- “a hotter object to a cooler object”

Since you didn’t provide full options, I’ll assume the intended correct idea is:

✔ Thermal energy is transferred by conduction from hot to cold.

*(Note: If you have specific choices for Q7, please share them — but based on standard curriculum, this is the rule.)*

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Final Answer:

1. A
2. B
3. C
4. A
5. B
6. A
7. From hot to cold (or whichever option matches that — e.g., “a hotter object”)