Match definitions to words
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Radioactive Decay | is the process by which an unstable atomic nucleus loses energy by emitting ionizing particles or radiation
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| Half-Life | The time it takes for one-half of the atoms of an unstable element or nuclide to decay radioactively into another element or nuclide
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| Entropy | is the measure of the disorder or randomness of energy and matter in a system.
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| Organism | An individual form of life that is capable of growing, metabolizing nutrients, and usually reproducing
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| Population | A group of individuals of the same species occupying a particular geographic area.
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| Community | A group of organisms or populations living and interacting with one another in a particular environment.
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| Ecosystem | An ecosystem is a system where populations of species group together into communities and interact with each other and the abiotic environment.
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| Decomposer | an organism, usually a bacterium or fungus, that breaks down the cells of dead plants and animals into simpler substances.
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| Adaptation | the ability of a species to survive in a particular ecological niche, esp. because of alterations of form or behavior brought about through natural selection.
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| Mutation | A change of the DNA sequence within a gene or chromosome of an organism resulting in the creation of a new character or trait not found in the parental type.
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| Gene | A segment of DNA, occupying a specific place on a chromosome, that is the basic unit of heredity.
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| Trait | Any observable feature, or trait, of an organism, whether acquired or inherited.
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| Chromosome | Organic structure that carries an organism's genetic code (DNA).
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| Gene Pool | Sum total of all the genes found in the individuals of the population of a particular species.
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| Natural Selection |
The process by which organisms that are better suited to their environment than others produce more offspring
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| Biodiversity | The number, variety, and genetic variation of different organisms found within a specified geographic region.
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| Extinction | Disappearance of a species from all or part of their geographic range
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| Plate Tectonics | Theory suggesting that the Earth's surface is composed of a number of oceanic and continental plates.
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| Weathering | Physical, chemical or biological breakdown of rocks and minerals into smaller sized particles
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| Climate Change |
any long-term significant change in the weather patterns of an area; also used figuratively
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| Organic vs. Inorganic | Organic: (1) Relating to an organism.
(2) Derived from an organism.
Inorganic:
Non-living thing. Usually refers to the physical and chemical components of an organism's environment. Some times called abiotic.
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| Natural vs. Synthetic | Natural :
Not produced or changed artificially; not conditioned
Synthetic:
Produced artificially, especially in a laboratory or other man-made environment.
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| Law of Conservation of Matter | During an ordinary chemical change, there is no detectable increase or decrease in the quantity of matter
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| 1st law of thermodynamics | an expression of the principle of conservation of energy, states that energy can be transformed (changed from one form to another), but cannot be created or destroyed
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| 2nd law of thermodynamics | is an expression of the universal principle of decay observable in nature.
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| Producers/ Autotrophs | Autotrophs make their own food by performing photosynthesis.
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| Consumers/ Heterotrophs | get their food by living off and on other organisms.
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| Photosynthesis (reactants and products) | The reactants of photosynthesis are sun light, carbon dioxide, and water.
The products of photosynthesis are carbohydrates, ATP, and sugars.
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| Aerobic vs. Anaerobic | Presence of molecular oxygen.
Occurring only in the presence of molecular oxygen.
Growing in the presence of molecular oxygen.
Anaerobic:
Opposite
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| Rocks Vs. Minerals | Rocks:
A compact and consolidated mass of mineral matter. Three types of rock are recognized: igneous, sedimentary, and metamorphic.
Minerals:
Component of rocks.
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| Climate Vs. Weather | Climate:
General pattern of weather conditions for a region over a long period time (at least 30 years).
Weather:
The state of the atmosphere at a specific time and place.
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| CO2 | Carbon Dioxide
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| CO | Carbon monoxide
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| C6H1206 | Glucose
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| CH4 | Methane
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| H2 | Hyrdrogen
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| H2O | Water
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| N2 | Nitrogen
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| NOx | Mono-Nitrogen
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| NO3- | Nitrate ion
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| NH3 | Ammonia
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| O2 | Oxygen
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| O3 | Ozone
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| P | Phosphorus
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| PO4-3 | Phosphate
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| S | Sulfur
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| SO2 | Sulfur Dioxide
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| Cl | Chlorine
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| K | Pottasium
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| NaCl | Sodium Chloride
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| Pb | Lead
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| Hg | Mercury
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| Rn | Radon
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| U | Uranium
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| Cellular Respiration | The process of cell catabolism in which cells turn food into usable energy in the form of ATP.
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| Kinetic vs. Potential energy | Kinetic:
The energy possessed by a system or object as a result of its motion.
Potential:
The energy possessed by a body as a result of its position or condition rather than its motion
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Created by:
Jordan134
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