Name: _________________________ Date of Test: ____________________
Earth, Moon, and Sun Unit Study Guide
Vocabulary:
1. Rotation- means to spin in place on an axis.
2. Axis-Imaginary line that goes through the North Pole and South Pole.
3. Revolution-movement of one object around another.
4. Orbit-path an object takes around another object.
5. Planet-Large body of rock or gas that orbits the sun.
6. Comet-Large ball of ice and dust that orbits the sun.
7. Asteroid-Chunk of rock or metal that orbits the sun.
8. Phases-different shapes the moon seems to have.
9. Solar eclipse- Result of the moon’s shadow falling on earth.
9. Lunar eclipse-result of earth’s shadow falling on the moon.
Things to know:
Earth takes 24 hours to make a full rotation.
The tilting of Earth’s axis causes seasons.
It takes the Earth 365 days to revolve around the sun.
Our Moon revolves around our Earth. It takes about one month
(about 30 days) for our Moon to complete one ORBIT (circle path)
around our Earth.
As we see less and less of the sunlight on the moon at night, the
lunar phase is WANING.
As we see more and more of the sunlight on the moon at night, the
lunar phase is WAXING.
The four seasons are: SUMMER, AUTUMN, WINTER, SPRING
High tide and low tide are caused by the gravitational pull between
the Earth and the moon.
There are two high tides and two low tides in a 24 hour cycle.
Phases of the Moon: