| Word |
Definition |
| 24 Hours |
The time it takes the Earth to make a full rotation; the length of day and night on Earth |
| 365 1/4 Day |
The time is takes the Earth to make a full revolution around the sun; the length of one year |
| Crater |
A bowl-shaped depression with a raised rim, formed by the impact of a meteorite |
| Gravity |
The natural force of attraction between any two massive objects, such as the Earth and Sun, which gets stronger the larger the object |
| Lunar |
Pertaining to the moon |
| Moon |
A natural satellite that orbits the Earth that shines by the Sun’s reflected light |
| Orbit |
The curved path around an object, such as the path a planet follows around the Sun |
| Phases/Lunar Cycle |
The different shapes of the moon as we see it from Earth |
| Revolution |
The trip a planet or satellite take around another object |
| Rotation |
The turning of the Earth on its imaginary axis |
| Satellite |
A natural body, such as the moon, that orbits another object |
| Solar System |
The Sun, eight plantets, and other objects that orbit the Sun in a predictable manner |
| Sunspot |
Dark areas on the Sun’s surface that are cooler than the rest of the Sun |
| Tides |
The rising and falling of the ocean that occurs twice daily; caused by the gravitational pull of the Moon and Sun |
Biology Lab Midterm
