| A | B |
|---|
| Name the inner planets in order from the sun. | Mercury, Venus, Earth Mars |
| Name the inner planets from smallest to largest. | Mercury, Mars, Venus, Earth |
| What do all the inner planets have in common? | They are small, dense, rocky, and close to the sun. |
| Which two inner planets are the hottest? | Mercury and Venus |
| Why is Mars red? | It's soil is made of Iron Oxide or rust. |
| Match the diameter to the planet: | Mercury-4,879 km; b. Venus-12,104 km; c. Earth-12,756 km; and Mars-6,794 km |
| Which planet has a year that is 88 Earth days long? | Mercury |
| Which inner planet has a day that is longer than its year? | Venus |
| . How many moons do each inner planet have? | Mercury-0; Venus-0; Earth-1; and Mars-2. |
| Which planet has run-away “Greenhouse effect?” | Venus |
| Which planet’s main features are water and life? | Earth |
| Match the distance from the sun to the planet | a. Earth _____ 1. 58,000,000 kilometers b. Mercury _____ 2. 150,000,000 kilometers c. Mars _____ 3. 108,000,000 kilometers d. Venus _____ 4. 228,000,000 kilometers |
| Rank the four outer planets according to: Size (smallest to largest) | Neptune, Uranus, Saturn, Jupiter |
| Rank the four outer planets according to: surface temperature (warmest to coldest) | Jupiter, Saturn, Uranus, Neptune |
| What are the names of the four moons of Jupiter? | Io, Callisto, Europa, Ganymede |
| What are Saturn’s rings made of? | Rocks and chunks of ice. |
| Which of these is closest to Saturn’s diameter? | 120,500 km |
| Which of the planets rotates at an angle of 90o to vertical? | Uranus |
| How long is a Neptune year in Earth years? | 164 years |
| Name ALL of the planets in order starting from the Sun. | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, & Neptune |
| Neptune is approximately ________________km from the Sun. | 4.5 billion km |
