Air isn't just one thing; it's a mix of different gases! Think of it like a pizza with lots of toppings. The main ingredients are nitrogen and oxygen, but there are also small amounts of other gases like argon, carbon dioxide, and even a little bit of water vapor. Understanding what makes up air helps us understand weather, breathing, and so much more. 💨
Match the word with its definition:
| Word | Definition |
|---|---|
| 1. Nitrogen | A. Gas used by plants and animals |
| 2. Oxygen | B. A gas that plants use to make food |
| 3. Carbon Dioxide | C. The most abundant gas in the air |
| 4. Argon | D. A gas that helps us breathe |
| 5. Air | E. An inert gas, used in light bulbs |
(Answers: 1-C, 2-D, 3-B, 4-E, 5-A)
Air is a mixture of different __________. The two main gases are __________ and __________. Plants use __________ __________ from the air to make their food. We breathe in __________ and breathe out __________ __________.
(Answers: gases, nitrogen, oxygen, carbon dioxide, oxygen, carbon dioxide)
Imagine you are an astronaut on the moon. The moon has no atmosphere. How would you need to change your suit to survive? Explain why.
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