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Solar System
| Question | Answer |
|---|---|
| What is the center of our solar system? | The Sun |
| What did early astronomers believe the center of our solar system was? Were they correct? | The Earth, they were not correct |
| How many planets are in our solar system? | 8 |
| Name something besides planets in the solar system. | Moons, comets, asteroids, dust, gas |
| What galaxy is our solar system in? | The Milky Way |
| What's a way to remember the order of planets? | "My Very Educated Mother Just Served Us Noodles" |
| What is the order of the planets (closest to furthest from the Sun)? | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune |
| What are the 4 rocky planets? | Mercury, Venus, Earth, Mars |
| What do all terrestrial planets have? | Solid surfaces and rocky cores |
| What is Mercury like? | Smallest planet, looks like the moon, thin air |
| What is Venus like? | Same size as Earth, thick clouds trap heat, very hot |
| What is Earth like? | Has water, air, and perfect temperature for life |
| What is Mars like? | Known as the "Red Planet," has canyons and thin air |
| What are the 4 outer planets? | Jupiter, Saturn, Uranus, Neptune |
| What are outer planets made of? | Gases and ice, not solid surfaces |
| Which planet is the biggest? | Jupiter (11 times bigger than Earth!) |
| Which planet has rings? | Saturn |
| What is special about Uranus? | It spins on its side! |
| What color is Neptune and why? | Blue, because of its atmosphere |
| Was Pluto once a planet? | Yes, but now it's a dwarf planet |
| :Which planets are the smallest to largest? | Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, Jupiter. |
| What is a mnemonic to remember planets by size? | "Jason Sat Under Ninety-Eight Very Marvelous Monsters." |
| What is Mars known as? | The Red Planet |
| Why is Pluto not a planet anymore? | It is small and has an odd orbit |
| How big is the sun compared to Earth? | About 110 times wider. |
| How long does it take Earth to rotate once? | About 24 hours (one day). |
| How long does Earth take to revolve around the sun? | About 365 ¼ days (one year). |
| What causes day and night on Earth? | Earth spins on its axis, so one side faces the sun (day) and the other faces away (night). |
| Why do we have seasons? | Because Earth’s axis is tilted 23.5°, so different parts get more sunlight at different times. |
| What happens to sunlight when a part of Earth is tilted toward the sun? | It gets more direct and stronger sunlight, making it warmer. |
| What are the four main phases of the moon? | New moon, first quarter, full moon, and last (third) quarter. |
| Why does the moon have phases? | Because as it moves around Earth, we see different parts of the sunlit side. |
| How long does the moon take to orbit Earth? | About 27.3 days. |
| What causes tides on Earth? | The moon’s gravity pulling on Earth’s oceans. |
| When are the highest tides? | During full and new moons, when Earth, moon, and sun line up. |
| When are the smallest tides? | During first and last quarter moons, when Earth, moon, and sun form right angles. |
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user-1981383