Observable Universe
What galaxy are we a part of?
The Milky Way Galaxy
What creates day and night?
The sun rotating once
This sphere includes all water in, on and above Earth
Hydrosphere
This layer protects from us meteors.
Mesosphere
F
How is the universe expanding?
Like a balloon in all directions
One full orbit around the sun is one _____
year
97% of the water on earth is this kind of water
salt water
This is the sunscreen layer
Stratosphere
There could be up to how many galaxies in the observable universe?
2 Trillion
This consists of a star at the center and planets that orbit the star.
Solar System
Why is the size of a planet important for life?
Too big it has too much gravity. Too small it doesn't have enough gravity.
Name the 3 main parts of the geosphere
Core, Mantle, Crust
This is the outer layer of the Atmosphere
Exosphere
What travels faster light or a car?
light
a galaxy shaped like an oval with a bright center
Elliptical Galaxy
Name another planet in the habitable zone
This is the sphere that contains life
Biosphere
This is the hottest layer where the International Space Station is
Thermosphere
What causes the seasons?
The Earth's tilt as it orbits the sun
The Andromeda Galaxy
What protects us for harsh particles and radiation from the Sun?
The Magnetosphere
Why can heavy things like an airplane fly?
the air on top of the wings are moving faster than the air on the bottom which pushes the object up.
This is the layer with weather
troposphere
What is the Ionosphere?