Systems
Earths Spheres
Chemistry
Nitrogen Cycle
Water Cycle
100
What is a System?
A part of the universe that can be studied
100
What is the definition of Hydrosphere?
Water on earth in all phases.
100
What is the middle of a atom called?
The nucleus
100
How much of the atmosphere is made up of Nitrogen?
78% of the atmosphere is made up of Nitrogen
100
What are the three phases of matter in the hydrologic cycle?
Solid-Snow Liquid-Lake Gas-Evapration
200
What happens in a Closed system?
Matter does not enter or leave
200
What is the keyword to Geosphere?
Rock
200
What are the names of the particles inside the nucleus?
The protons and the neutrons
200
What are some other ways humans get nitrogen besides breathing?
Through eating plants
200
What can water become when it rains?
Stream Flow Runoff Ground Water
300
What happens in a Open system?
Matter can enter and leave
300
Earth can be placed into how many subsystems?
4
300
What are the charges of the Protons and Neutrons
Protons:positive Neutrons:neutral
300
How do animals release nitrates?
Through death or when they decompose
300
What are at least Two of the steps in the Hydrologic cycle?
Evaporation Precipitation
400
Is a rock a closed system?
Yes
400
What is the definition of Atmosphere?
A blanket of gasses that surrounds the entire earth
400
What are the energy levels on an atom?
The outer most rings
400
What is a dead zone?
A dead zone is when there is to much No O2 is in the water
400
What does water change to when Evaporation happens
Changes into gas or water vapor
500
Is the earth a open or closed system?
A closed system
500
Is a potato apart of the Biosphere
Yes
500
What is an isotope?
An isotope is variation of an atom that has gained or lost neutrons
500
How do humans effect the nitrogen cycle?
By using to much fertilizer it gets into the water and overtime will form dead zones
500
What causes Precipitation?
Gravity causes the water from the clouds fall down on to the ground
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