The sun is the ultimate source of energy that drives Earth's weather patterns. Solar radiation, or energy from the sun, travels through space and reaches our planet. When this energy hits the Earth, some of it is absorbed by the land, oceans, and atmosphere, warming them up. This uneven heating creates temperature differences, which in turn cause winds, ocean currents, and ultimately, our weather! The Earth's tilt also plays a crucial role, leading to seasons as different parts of the planet receive more direct sunlight at different times of the year.
Match the terms with their correct definitions:
| Term | Definition |
|---|---|
| 1. Solar Radiation | A. The state of the atmosphere at a particular place and time |
| 2. Atmosphere | B. The transfer of heat through a fluid (liquid or gas) by currents |
| 3. Weather | C. Energy emitted by the sun in the form of electromagnetic waves |
| 4. Convection | D. The trapping of the sun's warmth in a planet's lower atmosphere due to its greater transparency to visible radiation from the sun than to infrared radiation emitted from the planet's surface. |
| 5. Greenhouse Effect | E. The layer of gases surrounding the Earth |
(Answers: 1-C, 2-E, 3-A, 4-B, 5-D)
Use the following words to fill in the blanks: uneven, temperature, winds, tilt, seasons.
The sun's energy warms the Earth __________. This ________ heating creates __________ differences, which cause __________. The Earth's __________ causes __________ as different parts of the planet get more direct sunlight.
(Answers: uneven, uneven, temperature, winds, tilt, seasons)
Explain how the greenhouse effect helps to keep Earth habitable. What might happen if there was no greenhouse effect?
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