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What planet is the largest planet among the Terrestrial Planets?
Earth
Earth is the only planet to have ____ water on the surface.
Liquid
The Germanic name "Earth" is at least how many years old?
1,000 Years
As the Earth spins on its axis, we have a ___ and ___ cycle.
Day and night
How long is one day on Planet Earth?
24 hours
How long (in days) does it take us to orbit (revolve) around the Sun?
365 days
71% of the Earth is covered in ____.
Water
When we measure distance in space, we use an "AU", which means what?
Astronomical Unit
We have over how many 'man-made' objects orbiting around Earth?
100,000
True/False: The Earth's structure (what it's made of) has 3 basic layers.
False
The part of the Earth we walk on is called the ____.
Crust
The very center of the Earth is called the ___.
Core
The ___ is the layer of the Earth that is as hot as the Sun's surface (Photosphere).
Crust
Earth's atmosphere has ___ main layers
4
In the ___ layer of the atmosphere on Earth, we can see clouds.
Troposphere
In the ___ layer of the Earth's atmosphere, we can see the Aurora Borealis.
Thermosphere
In this layer of the Earth's atmosphere, comets & asteroids usually burn up.
Mesosphere
What layer of Earth's atmosphere do satellites and space stations orbit the Earth in?
The Thermosphere
Out atmosphere is important to our planet as it blocks harmful ____ and ____ winds which could learn to world-wide blackouts, which would in turn lead to famine & death across the globe.
radiation, solar winds
The ___ Field extends out from the interior of Earth into space where it protects us from Solar Winds & Space Weather.
Magnetic
____ and other ____ would suffer damage during solar storms were it not for the Earth's protective Magnetic Field.
Computers & other electronics
____ is a force that acts between any 2 objects with mass.
Gravity
Without ____, humans & objects would all become weightless.
Gravity
Earth's Moon is about ___ the size of the Earth.
1/4
The Earth's ___ is the 5th largest in the Solar System.
Moon
The Moon has ___ water near the poles.
Frozen
How many phases does the Moon have when watching from the sky.
8
True/False:The atmosphere on the moon is breathable.
False
What is the name of our Moon?
Luna
How many humans have walked on the Moon?
12
True/False: Without the moon, our seasons would change & our days would get shorter.
True
True/False: There is water on the moon.
True
True/False: There is a huge piece of metal below the surface of the moon near the south pole.
True
True/False: The moon is moving closer to Earth.
False