Vocabulary
Earth in Space
Equinoxes & Solstices
Gravity & Motion
Phases, Eclipses, & Tides
100
This is the study of the moon, stars, and other objects in space.
What is Astronomy.
100
These are the 2 ways Earth moves through space.
What is Rotation and Revolution.
100
When the sun is farthest north or south of the equator, it is known as this.
What is a Solstice.
100
This Newton's law states that every object in the universe attracts every other object.
What is the Universal Law of Gravitation.
100
The moon goes through an entire set of phases in this many days.
What is 29.5 days.
200
The spinning of Earth on its axis is known as this.
What is Rotation.
200
Earth has this because this is tilted as it revolves around the sun.
What is Seasons.
200
When neither hemisphere is tilted toward or away from the sun it is known as this.
What is an Equinox.
200
The strength of the force of gravity between 2 objects depend on the masses and this.
What is the distance between.
200
When the side of the moon faces Earth is completely dark, it is known as this.
What is New moon.
300
This is the imaginary line that passes through the center of the Earth.
What is the Axis.
300
Day and night is caused by this.
What is the rotation of the Earth.
300
The longest day of the year in the Northern Hemisphere and the shortest day is the Southern Hemisphere is on this date.
What is June 21.
300
If mass increases and distance stays the same, then the force of gravity between the two objects will do this.
What is Increase.
300
When the moon's shadow hits Earth or Earth shadow hits the moon, this occurs.
What is an Eclipse.
400
Earth follows a path, also known as this, around the sun.
What is Orbit.
400
Earth's rotation take this many hours.
What is 24.
400
Daytime equals nighttime on September 22 and this date as well.
What is March 21.
400
The tendency of an object to resist change in motion is known as this.
What is Inertia.
400
The tide with greatest distance between consecutive low and high tides is known as this.
What is a spring tide.
500
A push or a pull is known as this.
What is a force.
500
This area of the Earth is always the warmest.
What is the Equator.
500
'Equal night' is the meaning of this.
What is Equinox.
500
These 2 factors combine to keep Earth in orbit around the sun and the moon in orbit around the Earth.
What is Inertia and Gravity.
500
The darkest part of the moon's shadow is known as this.
What is the Umbra.
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