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Astronomy Notes!
ALOT of notes!!
23
Astronomy
7th Grade
03/22/2011

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Cards

Term
Astronomy
Definition
The study of the moon, stars, and other objects in space.
Term
How many ways does the earth move through space?
Definition
Two major ways.
Term
What are the two ways that earth moves through space?
Definition
Rotation & Revolution
Term
Rotation
Definition
Spinning on it's axis. It causes day and night.
Term
Revolution
Definition
Movement of one object around another object. Causes Day and Night.
Term
What are the four seasons?
Definition

Summer Solstice

Atumnal Equinox

Winter Solstice

Vernal Equinox

Term
What is the angle of earth's axis?
Definition
23.5 degrees
Term
How many days does it take the moon to revolve around the earth?
Definition
29.5 Days
Term
Eclipse
Definition
When the moon's shadow hits earth or earth's shadow hits the moon this occurs.
Term
Solar Eclipse
Definition
When a new moon blocks your view of the sun. The moon cast a shadow on the earths surface.
Term
Lunar Eclipse
Definition
Occurs during a full moon when earth is directly between the moon and the sun. The earth cast a shadow on the moon.
Term
Tides
Definition
The rise and fall of ocean water that occurs every 12.5 hours or so.
Term
Gravity
Definition
Force that attracts all objects toward eachother.
Term
Phases of the moon
Definition
Different shapes of the moon you see from earth.
Term
Umbra
Definition
Darkest part of the moons shadows.
Term
Penumbra
Definition
Larger part of the shadow.
Term
Maria
Definition
Moons surface has dark, flat ereas.
Term
Meteorites
Definition
Chunks of rocks or dust from space
Term
Orbit
Definition
Earth's path around the sun
Term
Force
Definition
push or pull
Term
Mass
Definition
Amount of matter in a object
Term
Weight
Definition
Force of gravity of an object
Term
Inertia
Definition
Tendecy of an object to resist a change in motion
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