Renewable Energy - Free Printable

Let's solve this homework step by step.

---

Part 1: Tell the related energy source (using the first letter) for each advantage and disadvantage.

We are to identify the first letter of the energy source based on the given advantages or disadvantages.

Here are common energy sources and their typical pros/cons:

- Solar (S) – Clean, requires no fuel; sunshine hard to predict, high cost
- Wind (W) – Clean, requires no fuel; not always steady, turbine danger
- Hydroelectric (H) – Inexpensive, reliable, controllable; some areas need water for steam
- Geothermal (G) – Inexpensive, reliable, controllable; can be stored, use when needed; large amounts of land, chemicals
- Biomass (B) – Can be stored, use when needed; damage environment, short life
- Nuclear (N) – Efficient, clean; some areas need water for steam; waste disposal issues (not listed)
- Fossil fuels (F) – Damage environment, short life; expensive, polluting
- Tidal/Wave (T or W) – Uses waves; requires specific geography

Now let’s go through each:

1. damage environment, short life → Likely fossil fuels → F
2. efficient, clean → Could be nuclear or solar; nuclear is more efficient → N
3. inexpensive, reliable, controllable → Hydroelectric or geothermal → both fit; but hydro is more commonly associated with reliability → H
4. sunshine hard to predict, high cost → Solar → S
5. some areas need water for steam → Geothermal or nuclear; geothermal uses steam from underground → G
6. clean, requires no fuel → Solar or wind → both are clean and require no fuel → likely S or W; solar is most commonly associated with "no fuel" → S
7. can be stored, use when needed → Biomass or battery storage, but biomass can be stored → B
8. not always steady, turbine danger → Wind → W
9. large amounts of land, chemicals → Biofuels or solar farms → B or S; biofuels involve chemicals → B
10. solar cells last a long time → This is a pro of solar → S

Wait — there's a contradiction here. Let’s re-evaluate carefully.

But note: The instruction says “using the first letter” — so we need to match the description to the energy source.

Let’s list all possible sources:
- Solar (S)
- Wind (W)
- Hydro (H)
- Geothermal (G)
- Biomass (B)
- Nuclear (N)
- Fossil Fuels (F)
- Tidal/Wave (T)

Now match:

1. damage environment, short life → Fossil fuels → F
2. efficient, clean → Nuclear → N
3. inexpensive, reliable, controllable → Hydroelectric → H
4. sunshine hard to predict, high cost → Solar → S
5. some areas need water for steam → Geothermal → G
6. clean, requires no fuel → Solar or Wind → both fit, but solar is often highlighted as requiring no fuel → S
7. can be stored, use when needed → Biomass (e.g., wood, biogas) → B
8. not always steady, turbine danger → Wind → W
9. large amounts of land, chemicals → Biofuels → B
10. solar cells last a long time → Solar → S

So final answers:

1. F
2. N
3. H
4. S
5. G
6. S
7. B
8. W
9. B
10. S

---

Part 2: Match the definition with the correct term.

List of terms:
A. Algal fuel
B. Biofuels
C. Energy
D. Food chain
E. Fossil fuels
F. Geysers
G. Green energy
H. Lava
I. Magma
J. Non-renewable
K. Renewable
L. Wave energy

Now match:

11. Animals eat plants that have received energy from the Sun. → This describes a food chain → D

12. Name often given for renewable energy. → "Green energy" → G

13. Melted underground rocks. → Magma → I

14. Energy sources will never run out; better for the environment. → Renewable → K

15. Melted rocks that come to the surface. → Lava → H

16. Uses chemicals in seaweed to create clean biofuel. → Algal fuel → A

17. The power derived by using chemical or physical resources. → This is Energy → C

18. Underground sources of water that shoot out if the surface. → Geysers → F

19. Type of power using waves from the ocean, lakes, or rivers. → Wave energy → L

20. Biomass conversion as it is mixed with regular gasoline. → Biofuels → B

21. Energy sources that take millions of years to form. → Fossil fuels → E

22. Coal, crude oil, and natural gas; made up of carbon. → Fossil fuels → E

Wait: #21 and #22 both point to fossil fuels? Yes — they’re describing the same thing.

But let's check: #21 = "take millions of years to form" → fossil fuels → E
#22 = "coal, crude oil, natural gas" → also fossil fuels → E

So both are E

But we can’t assign E twice unless allowed. But the question says “match the definition with the correct term,” and multiple definitions may refer to same term.

So:

11. D
12. G
13. I
14. K
15. H
16. A
17. C
18. F
19. L
20. B
21. E
22. E

Yes — acceptable.

---

Part 3: List each of the Renewable Energy types and create an easy way for remembering them.

Renewable Energy Types:

1. Solar – from the sun
2. Wind – from wind turbines
3. Hydroelectric – from flowing water
4. Geothermal – from heat inside Earth
5. Biomass – from organic matter (plants, waste)
6. Biofuels – liquid fuels from plants (ethanol, biodiesel)
7. Wave/Tidal – from ocean waves and tides

Note: Sometimes biomass and biofuels are grouped, but both are renewable.

Also, algal fuel is a type of biofuel.

So main ones:
- Solar
- Wind
- Hydroelectric
- Geothermal
- Biomass/Biofuels
- Wave/Tidal

Easy way to remember them: Use a mnemonic.

Try: "S.W.H.G.B.W"

Or a sentence:
"Sunlight, Wind, Water, Ground, Biomass, Waves"

Or better:
"Silly Whales Have Great Big Wings"
→ S = Solar, W = Wind, H = Hydro, G = Geothermal, B = Biomass, W = Wave

Or even simpler:
"Sun, Wind, Water, Earth, Plants, Ocean"

Another idea:
"S.W.H.G.B.T" → Solar, Wind, Hydro, Geothermal, Biomass, Tidal

You could say:
"Some Windy Hydrants Give Better Tastes" — not great.

Better:
"Sunny Winds Help Generate Beautiful Power"
→ S = Solar, W = Wind, H = Hydro, G = Geothermal, B = Biomass, P = Power (but not exact)

Alternatively, just list them clearly:

> Renewable Energy Types:
> 1. Solar
> 2. Wind
> 3. Hydroelectric
> 4. Geothermal
> 5. Biomass
> 6. Tidal/Wave
> 7. Biofuels (subset of biomass)

Memory Trick:
Use the acronym: S.W.H.G.B.T.
Say: "Smart Wind Hydro Geothermal Biomass Tidal"

Or think of it as:
"Sun, Wind, Water, Earth, Plants, Ocean"

---

✔ Final Answers:

#### Part 1: First letters
1. F
2. N
3. H
4. S
5. G
6. S
7. B
8. W
9. B
10. S

#### Part 2: Matching
11. D
12. G
13. I
14. K
15. H
16. A
17. C
18. F
19. L
20. B
21. E
22. E

#### Part 3: Renewable Energy Types & Memory Aid

Renewable Energy Types:
- Solar
- Wind
- Hydroelectric
- Geothermal
- Biomass
- Tidal/Wave
- Biofuels

Memory Tip:
Use the phrase:
"Sun, Wind, Water, Earth, Plants, Ocean, Fuel"
or simply remember: "S-W-H-G-B-T"
→ Solar, Wind, Hydro, Geothermal, Biomass, Tidal

Alternatively:
"Sunny Winds Help Generate Better Tides!"
(S = Solar, W = Wind, H = Hydro, G = Geothermal, B = Biomass, T = Tidal)

This covers all major renewable sources.

---

✔ All parts completed!