Lesson 1: Causes and Evidences of Climate - ppt download ... - Free Printable

Let's solve the Greenhouse Effect Diagram by placing each label in the correct location based on the flow of energy and the process of the greenhouse effect.

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🔍 Understanding the Greenhouse Effect:

1. The Sun emits light and heat energy (solar radiation).
2. This energy travels through space and enters Earth’s atmosphere.
3. Some of this energy is reflected back into space by clouds, ice, or the Earth’s surface.
4. The rest is absorbed by the Earth’s surface, warming it.
5. The warmed Earth emits infrared radiation (heat) back toward space.
6. Greenhouse gases in the atmosphere absorb some of this outgoing heat and re-radiate it in all directions, including back toward Earth.
7. This trapping of heat keeps the planet warm — but if too much heat is trapped, the Earth warms further (global warming).

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🧩 Now, let's match each label to the correct box on the diagram:

We have five labels:

1. "The sun's rays enter the Earth's atmosphere as light and heat energy."
2. "Some of the heat is reflected from the Earth's surface."
3. "Some heat gets absorbed by the greenhouse gases in the atmosphere."
4. "Some of the heat escapes."
5. "The Earth gets hotter as a result."

And five blank boxes on the diagram:

- One near the Sun (incoming rays)
- One pointing from Earth upward (reflection)
- One above Earth, with red arrow going up (absorption by atmosphere)
- One green arrow pointing out (escaping heat)
- One on Earth (resulting warming)

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✔ Correct Placement:

#### 1. Box near the Sun (yellow lines entering atmosphere):
> "The sun's rays enter the Earth's atmosphere as light and heat energy."

✔ This describes incoming solar radiation.

#### 2. Box with red arrow pointing up from Earth (reflection):
> "Some of the heat is reflected from the Earth's surface."

✔ The Earth reflects some of the incoming solar energy back into the atmosphere.

#### 3. Box with black arrow pointing down from atmosphere to Earth:
> "Some heat gets absorbed by the greenhouse gases in the atmosphere."

Wait — actually, the black arrow goes downward, which suggests heat being radiated back to Earth from greenhouse gases.

So this should be:
> "Some heat gets absorbed by the greenhouse gases in the atmosphere."

But the arrow direction matters. Let's clarify:

- The red arrow going up from Earth → represents Earth emitting heat.
- The black arrow going down from atmosphere → represents greenhouse gases re-radiating heat back to Earth.
- So the absorption happens when the Earth's heat is absorbed by greenhouse gases.

Thus, the box near the atmosphere above Earth, where the red arrow points upward (from Earth), and the black arrow comes back down, should have:

> "Some heat gets absorbed by the greenhouse gases in the atmosphere."

This fits best in the middle-right box (just above Earth, where the red arrow starts and black arrow ends).

#### 4. Green arrow pointing outward (upward) from atmosphere:
> "Some of the heat escapes."

✔ This shows infrared radiation escaping into space.

#### 5. Box on the Earth (bottom center):
> "The Earth gets hotter as a result."

✔ This is the final outcome of the greenhouse effect.

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✔ Final Answer – Matched Labels:

| Box Location | Label |
|-------------|-------|
| Near Sun (incoming rays) | The sun's rays enter the Earth's atmosphere as light and heat energy. |
| Red arrow from Earth (upward) | Some of the heat is reflected from the Earth's surface. |
| Above Earth (atmosphere, between red & black arrows) | Some heat gets absorbed by the greenhouse gases in the atmosphere. |
| Green arrow (outward) | Some of the heat escapes. |
| On Earth (surface) | The Earth gets hotter as a result. |

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📌 Summary of the Process:

1. Sun → Earth: Solar energy enters atmosphere.
2. Earth absorbs and re-emits heat.
3. Reflection: Some heat bounces off Earth.
4. Absorption: Greenhouse gases trap some outgoing heat.
5. Re-radiation: Heat is sent back to Earth.
6. Escape: Some heat escapes to space.
7. Result: Earth warms up.

This natural process keeps Earth habitable, but increased greenhouse gases enhance it → global warming.

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Let me know if you'd like a labeled version of the diagram!