| A | B |
|---|
| The moon is Earth's only natural ______ | satellite |
| The moon is ______ years old | 4 1/2 billion years old |
| _____ mapped the moon. | Galileo |
| mares | seas |
| The diameter of the moon is _______ | 2,000 miles |
| The gravity on the moon is _______ the Earth's. | 1/6 |
| There is no _____ or ____ on the moon. | water or atmosphere |
| The moon is ___ miles from Earth. | 240,000 |
| The moon revolves around the Earth once every _____ days | 27 1/3 days |
| full moon to full moon is ___ days | 29 1/2 days |
| The moon rotates on its axis and revolves every 27 1/3 days the _____ side of the moon faces the Earth | same |
| The moon will rise about _____ minutes later each night | 52 minutes |
| The moon shines by _____ light | reflecting |
| The different shapes of the moon is called | phases |
| A solar eclipse only occurs when the Moon is in the ___ phase | New |
| A solar eclipse the planets line up | SME Sun, Moon, Earth |
| A lunar eclipse can only occur when the Moon is in the ______ phase | Full |
| A lun eclipse the planets line up | SEM Sun, Earth, Moon |
| Rising and fallin of the ocean waters | tides |
| Tides are caused by | gravitational pull of the Moon and Sun on the Earth |
| High Tide | the ocean water reached its hightest point |
| Low Tide | water reaches it lowest point |
| High tide to high tide occurs | 12 1/2 hours |
| High tide to low tide occurs | 6 hours and 15 minutes |
| Sun | near the center of the solar system |
| What orbit around the sun? | nine planets, their satellites, comets, meteors, and asteroids |
| Order of the Planets | My Very Educated Mother Just Showed Us Nine Planets |
| Small sized planets | Mercury, Venus, Earth, Mars |
| Morning or Evening Stars | Mercury and Venus |
| Large Size planets | Jupiter, Staurn, Uranus, Neptune |
| Planets with rings | Jupiter, Saturn, Uranus, Neptune |
| Very small planet | Pluto |
| Mercury | very hot, 57.9 millionKm from sun, 88 day revolution |
| Venus | cloud covered very hot, 108.2 million KM from sun, 224.7 days revolution |
| Earth | Life, 149.6 million Km from sun, 365 days revolution, 24 hr rotation |
| Mars | Red Planet, 227.9 million Km from sun, 687 days revolution, 24 hr rotation |
| Jupiter | Largest, Red Spot, Rings, 778.3 million Km from sun, 11.86 years revolution, 10 hrs rotation |
| Saturn | Rings, 1,427 million Km from sun, 29.46 yrs revolution 10 hrs rotation |
| Uranus | Lays over axis tilted at 98degrees , 2,869 million km from sun, 84 yrs revolution, 11 hrs rotation |
| Neptune | Orbit crosses Pluto's orbit, 4,496million km from sun, 164.8 yr revolution, 16 hrs rotation |
| Pluto | smallest, orbit most oval that crosses Neptune, 5,900 million km from Sun, 247.7 yrs revolution, 6day 9 hr rotation |
| The closer a planet is to the sun the ____ time it takes to orbit the sun | less |
| Meteors | pieces of rock floating through space |
| shooting stars | another name for meteors that are captured by Earth's gravity and burn up in the atmosphere due to friction |
| Meteorites | meteors that are not completely destroyed when they strike the Earth |
| Comets | masses of dust, rock and gas that travel around the Sun in oval shaped orbits. They develop a tail that always points away from the sun |
| Halley's comet | returns to Earth every 76 years |
| Asteroids | located between Mars and Jupiter, |
| Big Bang Theory | The Solar System formed from a coud of dust and gas at the same time as the Sun when there was a giant explosion |
| The Sun is a _______ glowing in space | Hot mass of gases |
| The Sun is a _____ sized, ____ star | medium sized yellow star |
| The diameter of the Sun is | 865,000 miles |
| Sunspots | Storms that are darker, cooler areas that appear to reach maximum amounts every 11 years |
