Scientific Method
Variables In an Experiment
Spheres
Cycles
Energy Transfer
100
Asking a questions or having a thought that needs an answer at the beginning of an experiment
What is State a Problem?
100
Part of an experiment that does NOT change
What is the constant?
100
All the living parts of Earth
What is the biosphere?
100
Waste is broken down by bacteria that fixes it to plant roots so animals may eat the plants to get this important nutrient
What is the Nitrogen Cycle?
100
A sequence of organisms that consume other organisms
What is a food chain?
200
Using your senses to make observations and researching facts
What is gathering information?
200
Part or group in experiment that stays the same and is used as a comparison
What is the control?
200
The solid part of Earth, including roks, soil and inner Earth
What is the geosphere?
200
This chemical cycle, needed for cell formation, rarely flows through the atmosphere since it is not found in gas form
What is the phosphorus cycle?
200
A diagram that shows the relationship between multiple or many food chains
What is a food web?
300
A possible explanation or solution to a problem, using an "if ... then" format
What is forming a hypothesis?
300
The variable or factors that can be changed
What is independent variable?
300
All the water on Earth, except the gaseous forms
What is the hyrdrosphere?
300
Formation of fossil fuels from this cycle after millions of years of decayed plants and animals undergo tremendous pressure
What is the carbon cycle?
300
Energy is transferred from the Sun to plants in a chemical process known as this
What is photosynthesis?
400
Collecting data, recording data, using controls and variables to answer the hypothesis
What is performing an experiment?
400
This variable or factor changes based on another variable in the experiment
What is dependent variable?
400
The blanket of gases hat surrounds Earth, including the air you breathe
What is the atmosphere?
400
Name one way carbon is used in the environment
What is burning for energy?
400
About this much energy is lost to HEAT at each level in the food chain/energy pyramid
What is 90%?
500
Reporting all the results gathered after making observations in an experiement
What is drawing a conclusion?
500
A dependent variable is found on which axis on a graph
What is the Y-axis or the horizontal axis?
500
A system that both matter and energy exchanges with the surroundings
What is an open system?
500
Name the three major cycles from this unit
What is the phosphorus cycle, the nitrogen cycle and the carbon cycle?
500
Each level in the food chain is able to absorb or exchange this much energy (in percent)
What is 10%?
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