| Term | Definition |
|---|
| Moon | Would it be easier to observe the movement of the Moon or Venus in the night sky? |
| Earth's rotation | Which motion would cause a constellation to change locations in the night sky throughout the night? |
| Constellations | These are only grouped together based on the perspective of Earthlings. |
| Universe | Of solar system, galaxy, universe, and planet, which is the largest? |
| Planet | Of solar system, galaxy, universe, and planet, which is the smallest? |
| Gravity | What keeps all matter grouped together in space? |
| Visible light | What kind of electromagnetic radiation do optical telescopes collect? |
| Spring | What season begins in September in Sydney, Australia, which is in the southern hemisphere? |
| September | What month does the sun set at the North Pole? |
| Equator | Where on Earth can I find the least change in hours of daylight? |
| Waxing | What is it called when the light on the moon is growing? |
| Waning | What is it called when the light on the moon is shrinking? |
| Quarter | When the Moon looks like a circle cut in half, it is called this. |
| Crescent | When the Moon has only a small part that is lit, it is called this. |
| Gibbous | When the Moon is not quite fully lit, it is called this. |
| Full | When all of the Moon is lit, it is called this. |
| New | When none of the Moon is lit, it is called this. |
| 6 pm | If you lived in Florida and a low tide occurred at 6 a.m., approximately when would the second low tide occur at your location? |
| Umbra | During a lunar eclipse, the Moon eventually moves into complete darkness. This is because it is moving into this part of the Earth's shadow. |
| Penumbra | During a lunar eclipse, the Moon first gets slightly less bright as it moves into this part of the Earth's shadow. |
| No | Are the seasons dependent on the speed of the Earth's rotation? |
| No | Are the phases of the moon dependent on the speed of the Earth's rotation? |
| Yes | Are the tides dependent on the speed of the Earth's rotation? |
| Yes | Is day and night dependent on the speed of the Earth's rotation? |
| AU | Earth's average distance from the Sun, which is approximately 150 million kilometers. |
| Sun | Which object in our solar system has the most mass? |
| Ellipse | What is the scientific term to describe the shape of the orbits of the planets, asteroids, and comets? |
| Tectonics and Volcanism | Of the four processes that shape a planet's crust, which two occur because a planet is hot inside? |
| Wind | What is the biggest weathering agent on Mars? |
| Impact Cratering | What is the biggest weathering agent on Mercury? |
| thicker | How is the atmosphere of Venus different than the atmosphere of the other terrestrial planets? |
| Rings | What do all four gas giants have that terrestrial planets do not? |
| Thicker | What is the main difference between the atmosphere of a gas giant and that of a terrestrial planet? |
| Water Ice | What substance makes up Saturn's rings? |
| Solar System | The sun and its family of orbiting planets is called what? |
| Gas Giant | A large planet that consists mosly of gases in a dense form is called what? |
| Axis of Rotation | The imaginary line about which a turning body such as the earth rotates is called what? |
| Galaxy | Millions or billions of stars held together in a group by their own gravity is called what? |
| Eclipse | An event during which one object in space cases a shadow onto another is called what? |
| Telescope | A device that gathers visible light or another form of electromagnetic radiation is called what? |
| Equinox | In an orbit, a position and time in which the sunlight shines equally on the northern and southern hemisphere is called what? |
| Solstice | In an orbit, a position and time during which one hemisphere gets its maximum area of sunlight, while another hemisphere gets its minimum amount of sunlight is called what? |
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