Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Space
| Term | Definition |
|---|---|
| rotate | to spin around an axis |
| axis | an imaginary line that runs through the center of Earth from the North Pole to the South Pole |
| revolution | The movement of an object around another object; its orbit |
| orbit | the path of one object in space around another object |
| phase | one of the shapes the moon seems to have as it orbits Earth |
| solar system | a star and all the other planets and other objects that revolve around it |
| planet | a large body that revolves around a star |
| comet | a ball of rock, ice, and frozen gases that revolves around the sun |
| star | a huge ball of super heated gases |
| moon | a natural body that revolves around a planet |
| sun | the star at the center of our solar system |
| Big Bang Theory | A theory in Science that the universe was created from a single explosion. |
| Geocentric Theory | Earth is the center of the Universe |
| Heliocentric Theory | Sun is the center of the universe |
| Fusion | Hydrogen atoms slam together to create helium atoms in the Sun |
| terrestrial planets | the four inner planets (made of rock and metal): Mercury, Venus, Earth, and Mars |
| Jovian Planets (Gas Giants) | outer planets (made of gas): Jupiter, Saturn, Uranus, Neptune |
| Ellipse | A closed, "flattened" curve that is not circular |
| Gravity | A force that pulls objects toward the center |
| Mass | The amount of matter (or stuff) in an object |
| Matter | Anything that has mass and takes up space |
Created by:
user-2022822