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