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Space Unit
| Question | Answer |
|---|---|
| What is a galaxy made of? | Gas, dust, stars, and objects that orbit stars. |
| What is our home galaxy? | The Milky Way. |
| How can stars be different from each other? | In size and brightness. |
| Except for the sun, stars are so far away that they look like what? | Points of light. |
| What are stars made of? | Gases. |
| The sun gives off energy in the form of what? | Light and heat. |
| The sun appears large and bright because what? | The sun is the closest star to Earth. |
| What are the inner planets? | Mercury, Venus, Earth, and Mars. |
| What is the surface composition, size, and number of moons for the inner planets? | Inner planets have solid surfaces, are small in size, and have 0, 1, or 2 moons. |
| What are the inner and outer planets separated by? | The asteroid belt. |
| What are the outer planets? | Jupiter, Saturn, Uranus, and Neptune |
| What are the outer plants known as? | The gas giants. |
| How many moons and/or rings do the outer planets have? | The outer planets have multiple rings and moons. |
| What is the movement of the planets? | They revolve around the sun and rotate on an axis. |
| What is the shape of the planets? | All the planets are basically round. |
| What are comets made up of? | Ice, dust, and rocky material. |
| What is a comet's movement? | Comets orbit the sun far out in space. |
| What do comets form as they near the sun? | They form a tail. |
| What is an asteroid made up of? | Metals and rocky material. |
| What is an asteroid's movement? | They orbit the sun beyond Mars. |
| What is a moon's movement? | Moons orbit planets. |
| What are moons known as? | Natural satellites. |
| Earth revolves around the sun in what? | A year (365 days). |
| Earth rotates on its axis in what? | A 24-hour day. |
| What are the moon phases, in order, from New moon? | New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent, New moon. |
| What is the phrase to remember the new moon? | SMENEW |
| What is the phrase to remember the full moon? | SEMFULL |