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Chapter 21
Planets, Moons & small bodies
| Question | Answer |
|---|---|
| Name the planets from the planet nearest the sun to the planet the farthest from the sun. | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune |
| Terrestrial means... | Rocky, firm ground, Earth like. |
| When a meteoroid goes through Earth's atmosphere what is it called? | Meteor |
| The main difference between an asteroid and a meteoroid is what? | size |
| What is the name of the planet whose revolution is 88 days? | Mercury |
| What evidence suggests that Mars once had water? | Dry stream beds and ice caps at the poles. |
| What is the name of the planet with distinct rings around it made of ice and solar debris. | Saturn |
| What is the name of the eclipse where Earth completely shadows the moon? | Lunar eclipsse |
| What is the name of a meteor when it is still in space? | Meteoroid |
| What is the name of the eclipse where the moon is completely covering the Sun from Earth's perspective? | Solar eclipse |
| What planet has a storm that has lasted 400 yrs or more? | Jupiter |
| Once a Meteoroid has entered Earth's atmosphere and hits the ground it is called what? | Meteorite |
| The best theory on the origin of Earth's moon is what? | Result of a collision with a small planet or asteroid. |
| The distance from the Sun to Earth can be measured in a unit which is equal to 150,000,000Km, what is the name of this unit? | AU or Astronomical unit. |
| What does retrograde mean about a planet's rotation? | rotates clockwise |
| Which inner planet has retrograde rotation? | Venus |
| The length of the moons rotation and revolution is the same, how long is that? | 29.5 days |
| The moon's relationship with Earth has the moon showing the same side to Earth at all times, what is this called? | tidally locked |
| Why doesn't Earth have a solar eclipse every month? | Moons orbit is approximately 5 degrees different from the rest of the solar system. |
| Why does Mercury have so much cratering and Earth doesn't? | Earth has an Atmoshhere. |
Created by:
Christine160