Scientific Method
When graphing data, what axis does the independent variable go on?
X-axis
Which two subatomic particles are found in the nucleus of an atom?
Protons and neutrons
Rust forming on metal is an example of what type of weathering?
Chemical
What is the name of the phase change that occurs when gases turn to liquids?
Condensation
What is the largest estuary in the United States?
The Chesapeake Bay
What is a constant?
Something that stays the same
Name the charges of all three subatomic particles: protons, neutrons, and electrons.
Protons - Positive
Neutrons - Neutral
Electrons - Negative
Ice wedging, which causes cracks in rocks, is what type of weathering?
Physical/Mechanical
Water can dissolve many substances and is commonly known as a --
Universal solvent
What is the name of an area that is often saturated with water and supports an abundance of wildlife?
Wetland
You conduct an experiment to see how the amount of light affects mold growth on bread. What is the dependent variable?
Mold growth
N2 + 3H2 --> 2NH3
A chemical equation like the one above shows that a new substance was formed. This is a representation of a ______________ change.
Chemical
Rocks and sediments being transported by forces such as wind and water.
Erosion
What property of water allows some insects to walk on water?
Surface tension
Soil, oxygen, fish, snails, seaweed, grass, temperature, moss, sunlight, rocks, and water.
Name all 6 of the abiotic factors listed above.
Soil, oxygen, temperature, sunlight, rocks, and water.
You conduct an experiment to see how the temperature of water affects how fast sugar dissolves. What is the independent variable?
Temperature
3Fe + 2O2 --> Fe3O4
What is the compound in the chemical equation above?
Fe3O4
Nitrogen and oxygen
Why does ice float on water?
Water expands when it freezes making it less dense
Turbidity, salinity, temperature, pH, dissolved oxygen, and the presence of macroinvertebrates are all used to monitor --
Water quality
Conclusion -- Hypothesis -- Analyze Results -- Purpose Statement -- Experiment -- Research
Put these steps of the scientific method in the correct order.
Purpose Statement --> Research --> Hypothesis --> Experiment --> Analyze Results --> Conclusion
Every element has protons, neutrons, and electrons, but what makes them unique from each other?
They have different amounts of protons, neutrons, and electrons.
What element makes up 65% of all living matter?
Oxygen
Water has a high specific heat, meaning that areas close to large bodies of water will be ____________ during the winter compared to areas that are farther away.
Warmer
What are the three major watersheds in Virginia?
Chesapeake Bay
North Carolina Sounds
Gulf of Mexico