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Week 21
Term | Definition |
---|---|
Rotation/Rotate | To spin or make a circular motion on its own axis |
Revolution/Revolve | To go all the way around |
Axis | An imaginary line which the body rotates |
Equator | An imaginary line dividing the Northern and Southern hemisphere |
Tilt | A sloping position |
Day/Night Cycle | Caused by the Earth's rotation or spinning on its axis once every 24 hours |
Earth | 3rd planet from the sun, only planet with life. It has an atmosphere and tectonic plates. |
Moon | Earth's natural satellite. Made of rock, no life or water. Gets its light from the sun. No atmosphere. |
Sun | Star at the center of our Solar System. Huge ball of magnetic plasma. It has a magnetic field. Mostly made of hydrogen. |
Planets in order | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune "My Very Educated Mother Just Served Us Nachos" |
Solar System | Gravitational bound system consisting of the Sun and 8 planets |