Earth's core is made of _______.
Liquid metal and rock
How many layers are in the Atmosphere?
4
Roughly what percentage of the atmosphere is oxygen?
21%
Is the hydrosphere mostly salt water or fresh water?
Animals that are at risk of becoming extinct.
Endangered
Please explain how mountains are made
Convergent tectonic plates
What layer do we live in?
Troposphere
True or False, the atmosphere is denser closer to Earth’s surface.
True
Salinity is the measure of what?
When humans add waste to the environment, what do we call this?
Pollution
What sphere are rocks a part of?
Geosphere
What layer do meteors burn up in? Mesosphere
Mesosphere
What layer do the Aurora Borealis and Australis lights occur? Thermosphere
Thermosphere
Why is the surface zone of the ocean warmer than the deepest zone?
Sun
Give an example of a NATURAL event that can cause changes in Earth's spheres.
Volcano, earthquake, erosion, any weather event, etc.
What does a volcano spew into the air?
Ash, lava, clouds of dust
What layer does weather occur in? Troposphere
Troposphere
Why is a car heating in the sun similar to the Earth heating in the sun? The interior absorbs sunlight and heats up, glass traps it in like the green house effect.
The interior absorbs sunlight and heats up, glass traps it in like the green house effect.
What percent of Earth's water is useable for humans?
Less than 1%
Put these in correct order from innermost to outermost:
(Outer core, crust, upper mantle, lower mantle, inner core)
This theory is supported by fossil evidence, mountain ranges, 'puzzle pieces' and plate tectonics.
Continental Drift Theory
What layer protects us from UV rays
Ozone Layer
Describe in detail how a certain type of pollution could affect the atmosphere AND the biosphere.
Fossil fuels, smoke, or gases in the air can deteriorate the ozone, or harm/kill any part of the biosphere.
Where can fresh water be found
Ice caps, glaciers, ponds, lakes, rivers, wetlands, and soil.
The word that describes that all of Earth's systems affect one another in some way.
Interconnected