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Astronomy Quiz
Question | Answer |
---|---|
What do all living things have in common? | Made of cells, have dna, able to reproduce, grow and develop, obtain and use energy, respond to stimuli, maintain homeostasis |
Why can life exist on earth? | The distance from the sun, the Earth's atmosphere, presence of water, and gravitational pull. |
What does the sun do? | Fuels all life processes |
Earth is the ______ closest planet to the sun | 3rd |
No sun= | No energy |
What is the Lithosphere? | Earth's crust (soil, rocks, minerals) |
What is the Hydrosphere? | Earth's water |
What is the Atmosphere? | The gases in the air |
What is the greenhouse effect? | The gases in the atmosphere absorb heat emitted by the sun which warms the atmosphere |
What does our atmosphere protect us from? | Meteors |
What percent of the Earth's surface is covered with water? | 70% |
What requires water and sunlight? | Photosynethesis |
What is gravity? | The tendency of objects to accelerate towards each other |
More more objects with mass= | more gravity |
What holds our solar system together? | The sun's gravity |
Apollo 8 | First manned moon orbit |
Apollo 11 | FIrst manned moon landing |