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Earth's spinning on it's axis is called _____
Rotation
What happens every 24 hours?
Earth Rotates once on its Axis
What season is it here when the south end of Earth's axis is tiled toward the sun?
Winter in the Northern Hemisphere
How many days in a leap year?
366
What causes a Spring Tide?
when the sun and moon are at right angles to Earth
Describe inertia
The tendency of an object to resist change in motion
What is the gravity on the moon compared to Earth?
1/6th
Regions formed on the moon from huge lava flows
Maria
What is the Umbra?
Darkest part of the Earth/Moon Shadow
The moon has no atmosphere. How does this effect temperatures on the moon?
Extreme Temperatures. When the sunlight hits it, it gets very hot.
The two days of the year when the sun is either 23.5 degrees north or south?
solstices
Describe a neap tide
The tide with the smallest difference between high and low tide.
When we weigh ourselves what does the number represent?
The force of gravity on an object (us)
This can only occur at FULL moon
Lunar Eclipse
What CAUSES an Equinox?
Neither hemisphere is tilted toward the sun. 12 hours of day and night
How many Rotations Per Revolution of the Earth?
365
