Unit 2 Test - Vocab/Concept List - Liberty Union High School District

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Acid

Adhesion

Aerobic respiration

Ammonia

Ammonification

Atom

Atomic Mass

Atomic Number

Base

Biogeochemical cycle

Capillary action

Carbon Cycle

Carbohydrate

Closed system

Cohesion

Compound

Conservation of Mass

Covalent bond

Denitrification

Element

Energy

Unit 2 Test Review – Vocab and Concepts

Energy efficiency

First Law of Thermodynamics

Half-life

Hydrologic cycle

Inorganic compound

Input/output

Ion

Ionic bond

Isotope

Kinetic energy

Lipid

Macromolecules/biomolecules

Matter

Molecule

Negative Feedback Loop

Nitrates

Nitrification

Nitrites

Nitrogen Cycle

Nitrogen fixation

Nucleic acid

Nutrient cycle

Open system

Organic compound

Phosphate

Phosphorus cycle

Polar bond

Positive Feedback Loop

Potential energy

Protein

Proton/neutron/electron

Radioactive decay

Second Law of Thermodynamics

Steady state

Sulfur Cycle

Surface tension

Synergy

System analysis

Tipping point

Water Cycle

Work

1. What is the difference between low and high quality matter?

2. Energy doesn't recycle, but does matter?

3. What are the major steps to the carbon cycle, nitrogen, phosphorus, sulfur and water cycles?

4. What are the largest storage reservoirs for C, N, P and S? Which does not have an aerial form?

5. What specifically is upsetting the natural balance of the C, N, P and S cycles?

6. What are the main parts of the atom? How you determine the number of each subatomic particle in an atom?

7. What is carbon-dating and how does it relate to radioactivity? How do you calculate the half-life/use the half-life to predict amounts of radioactive samples?

8. What is energy? What is the difference between kinetic/potential energy?

9. What is energy efficiency?

10. What is a system? What’s the difference between open/closed systems? What is system analysis?

11. What are the 1 st and 2 nd laws of thermodynamics?

12. What’s the difference between positive and negative feedback loops?

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