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Moon Test

Moon Test Study Guide

QuestionAnswer
The phase of the moon you see depends on? How much of the sunlit side of the moon faces the Earth.
How large is the moom compared to Earth? About 1/4 the diameter of earth
Because the moon rotates once for each revolution around the earth, you never see this? The far side of the moom from the earth
What are the two factors that combine to keep Earth and the moon in their orbits? Gravity and Inertia
All objects are attracted to each other by? The Force of Gravity
The different shapes of the moon seen from Earth are called? Phases
When the moon appears to be getting bigger each night it is? Waxing
When the moon appears to be getting smaller each night it is? Waning
When we see less than 1/2 of the moon, the shape is a? Crescent
When we see more than half of the moon, the shape is? Gibbous
This must happen in order for a solar eclipse to occur? The moon must be directly between Earth and the sun.
During what phase of the moon can a lunar eclipse occur? Full Moon
You are less likely to see a total solar eclipse than a total lunar eclipse because? The moon's umbra only covers a small area on Earth's surface.
What is the shadow that produces a total eclipse called? Umbra
When are tides highest? When the sun, earth, and the moon are nearly in line.
Tide are caused mainly by? Differences in how much sun pulls on different parts of Earth
A Spring tide occurs when? The sun, moon, and Earth line up.
A neap tide occurs when? The sun is at right angles to the line between the Earth and moon.
Eclipse The partial or total blocking of one object in space by another.
Solar Eclipse The blocking of sunlight to earth that occurs when the moon is directly between the earth and the sun.
Lunar Eclipse The blocking of sunlight to the moon that occurs when the earth is directly between the sun and the moon.
Neap Tide The tide with the least difference between low and high tides.
Spring Tide The tide with the greatest low and high tides.
Umbra The darkest part of a shadow.
Penumbra The part of a shadow surrounding the darkest part.
Created by: tonilynne1
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