Chemistry
Water cycle
Carbon cycle
River study
Systems and cycles
100
An atom is the basic unit of chemistry atoms as the source of nuclear energy and extremely small amount of a thing or quality.
What is an atom
100
The process of water that's falling from the sky to the ground.
What is precipitation.
100
The process of burning fossil fuels.
What is combustion.
100
Mixing of oxygen from the atmosphere through the motion of water
What is aeration
100
System that matter can enter and leave easily
What is an open system
200
An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
What is an ion.
200
Process of turning water into a liquid.
What is condensation.
200
The process by which green plants and other organisms use sunlight to synthesize foods from carbon dioxide and water.
What is photosynthesis.
200
Plants produce oxygen as a byproduct of respiration
What is photosynthesis
200
A system that matter can't enter or leave. Like rocks
What is a closed system
300
The positivity charge central core of an atom. Consisting of protons and neutrons and containing nearly all of its mass.
What is the nucleus
300
Process of infiltration from the surface to the ground.
What is infiltration.
300
A natural fuel such as coal, gas formed in the geological past from the remains of living organisms
What is fossil fuels.
300
Volume of water flowing through a river over a given time
What is stream flow
300
Bacteria
What is the organism responsible for converting nitrogen into various forms in the nitrogen cycle
400
The fixed amount of energy that a system describe by quantum mechanics such as molecules,atoms, electron or nucleus can have.
What are energy levels.
400
Process of water found in trees changing from a liquid to a gas similar to evaporation.
What is transpiration.
400
The act of dispersing something
What is diffusion
400
Stream flow affects the ability of a stream to handle pollution
What is the reason stream flow matters
400
It is a big part of the earths atmosphere
What is the importance of nitrogen to living things
500
Most atoms have 3 different subatomic particles inside them: protons, neutrons, and electrons.
Particles within an atom.
500
Liquid (water) that changes to a gas (water vapor).
What is evaporation.
500
Intake of oxygen and release of carbon dioxide in living organisms
What is respiration
500
Cooler water can hold more dissolved oxygen than warm water
What is the affect of temperature on dissolved oxygen
500
A place or period in which nothing happens or which no life exists.
What is a dead zone
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