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B1 ahmad sheikhali

What is a system parts that act as a whole
What is energy ability to do work
What is matter anything that has matter and takes up space
What is the main source of external energy for earth the sun
What is a closed system where only energy can be exchanged
What is an open system? where matter and energy can be exchanged
Why is earth essentially a closed system we dont lose much matter
When a volcano erupts give an example of how it interacts with with the atmosphere and geosphere, and biosphere. ash in the sky, break the land, kill animal or plants
Give an example of how the hydrosphere can interact with the geosphere. tsunami
Label the spheres in the following picture. hydrosphere cryosphere geosphere atmosphere
What kind of energy causes the earth's crust to move? geothermal
What are the two laws of thermodynamics? energy cannot be lost or broken
What element makes up the largest percent of the atmosphere? nitrogen
What percentage of the atmosphere is nitrogen? 78
What percentage of the atmosphere is oxygen? 21
How much of the earth is covered in salt water? 98
How much of the earth is covered in freshwater? 2
What sphere have humans had the least impact on? geosphere
What is the hydrosphere? all water on earth
What is the cyrosphere all frozen water on earth
What is the biosphere? all life on earth
What is the geosphere? all of earth
What is the atmosphere? gases surrounding earth
Label the picture of the water cycle water from oceans, lakes, swamps, rivers, plants, and even you, can turn into water vapor. Water vapor condenses into millions of tiny droplets that form clouds. Clouds lose their water as rain or snow, which is called precipitation.
What is the percent of elements in Earth’s Atmosphere?
Nitrogen 78
Oxygen 21
other 1
Created by: Shamal
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