Terms : Hide Images
| 10679021211 | Matter | Anything that occupies space and has mass | 0 | |
| 10679021212 | Mass | Measure of amount of matter it contains. | 1 | |
| 10679021213 | Atom | Smallest particles that can contain the chemical properties of an element. | 2 | |
| 10679021214 | Element | Substance composed of atoms that cannot be broken down into smaller, simpler components. | 3 | |
| 10679021215 | Molecules | Particles containing more than one atom | 4 | |
| 10679021216 | Compounds | Molecules with more than one element. | 5 | |
| 10679021217 | Atomic Number | Number of protons in the nucleus for an element, unique to that element. | 6 | |
| 10679021218 | Isotopes | Same amount of protons in the nucleus but different amounts of neutrons. Same element still. | 7 | |
| 10679021219 | Radioactive Decay | Spontaneous release of material from the nucleus. | 8 | |
| 10679021220 | Half Life | Time it takes for half of the original radioactive parent atom to decay | 9 | |
| 10679021221 | Covalent Bonds | Bonds that share electrons | 10 | |
| 10679021222 | Ionic Bonds | Charge imbalance bonds by transferring electrons. | 11 | |
| 10679021223 | Hydrogen Bond | Weak chemical bond that forms when hydrogen atoms that are covalently bonded to one atom are attracted to another atom on another molecule. | 12 | |
| 10679021224 | Polar Molecule | One side is more positive while the other side is negative. | 13 | |
| 10679021225 | Surface Tension | Cohesion of water molecules at the surface of a body of water | 14 | |
| 10679021226 | Capillary Action | Adhesion of water molecules to a surface is stronger than cohesion between the molecules. | 15 | |
| 10679021227 | Acid | Substance that contributes hydrogen ions to a solution | 16 | |
| 10679021228 | Base | Substance that contributes hydroxide ions to a solution. | 17 | |
| 10679021229 | pH | Scale to indicate the strength of acids and bases | 18 | |
| 10679021230 | Chemical Reaction | Occurs when atoms separate from the molecules they are a part of or recombine with other molecules. | 19 | |
| 10679021231 | Law of Conservation of Matter | Matter can't be created or destroyed, it can only change form. | 20 | |
| 10679021232 | Inorganic Compounds | Do not contain carbon, or contain carbon that is bound to elements other than hydrogen. | 21 | |
| 10679021233 | Organic Compounds | Contain carbon-carbon or carbon-hydrogen bonds. | 22 | |
| 10679021234 | Carbohydrates | Compounds containing carbon, hydrogen, and oxygen atoms. Glucose C6H12O6 | 23 | |
| 10679021235 | Proteins | Long chains of nitrogen containing organic molecules called amino acids. Critical for organisms, plays roles with structural support, energy storage, internal transport, and defense against foreign substances. Enzymes. | 24 | |
| 10679021236 | Nucleic Acids | Organic compounds found in all living cells. DNA (Genetic material passed on to offspring) and RNA (Translates DNA code to make proteins.) | 25 | |
| 10679021237 | Lipids | Smaller biological molecules that don't mix with water. | 26 | |
| 10679021238 | Cell | Highly organized living entity that consists of macromolecules and other substances in a watery solution surrounded by a membrane. | 27 | |
| 10679021239 | Energy | Ability to do work or transfer heat. | 28 | |
| 10679021240 | Electromagnetic Radiation | Form of energy emitted by the Sun like UV, Infrared, and visible light. | 29 | |
| 10679021241 | Joule | Amount of energy used when a 1 watt bulb is turned on for 1 second. | 30 | |
| 10679021242 | Power | Rate at which work is done. Energy = power * time. | 31 | |
| 10679021243 | Potential Energy | Stored energy that hasn't been released. No motion. | 32 | |
| 10679021244 | Kinetic Energy | Energy of motion. Potential energy turns into kinetic. | 33 | |
| 10679021245 | Chemical Energy | Potential Energy stored in chemical bonds. | 34 | |
| 10679021246 | Temperature | Measure of average kinetic energy of a substance. | 35 | |
| 10679021247 | 1st Law of Thermodynamics | Energy can't be created or destroyed, only change form. | 36 | |
| 10679021248 | 2nd Law of Thermodynamics | When energy is transformed, some is dissipated as heat and ability to do work diminishes. | 37 | |
| 10679021249 | Energy Efficiency | Ratio of the amount of work that is done to the total amount of energy that is introduced into the system in the first place. | 38 | |
| 10679021250 | Energy Quality | Ease with which an energy source can be used for work. | 39 | |
| 10679021251 | Entropy | Randomness of a system. Always increasing unless new energy from outside system is added to create order. | 40 | |
| 10679021252 | Open System | Exchanges of matter or energy occur across system boundaries. | 41 | |
| 10679021253 | Closed System | Matter and energy do not exchange across system boundaries. | 42 | |
| 10679021254 | Inputs | Additions to a given system | 43 | |
| 10679021255 | Outputs | Losses from the system | 44 | |
| 10679021256 | System analysis | Determine input, outputs, and changes in the system under various conditions. | 45 | |
| 10679021257 | Steady State | Inputs equal outputs so the system is not changing over time. | 46 | |
| 10679021258 | Negative Feedback Loop | System responds to a change by returning to its original state, or at least by decreasing the rate at which the change is occurring. | 47 | |
| 10679021259 | Positive Feedback Loop | System responds by making the change and feedback increase. | 48 | |
| 10679021260 | Adaptive Management Plan | Strategy that provides flexibility so that managers can modify it as future changes occur. | 49 | |
| 10679021261 | environment | the sum of all the conditions surrounding us that influence life | 50 | |
| 10679021262 | environmental science | the field that looks at interactions among human systems and those found in nature | 51 | |
| 10679021263 | system | any set of interacting components that influence one another by exchanging energy or materials | 52 | |
| 10679021264 | ecosystem | a particular location on Earth whose interacting components include living or nonliving components | 53 | |
| 10679021265 | biotic | living | 54 | |
| 10679021266 | abiotic | nonliving | 55 | |
| 10679021267 | environmentalist | a person who participates in environmentalism | 56 | |
| 10679021268 | environmentalism | a social movement that seeks to protect the environment through lobbying, activism, and education | 57 | |
| 10679021269 | environmental studies | a broader field that environmental science is a subset of which it also includes, environmental policy, economics, literature, and ethics | 58 | |
| 10679021270 | ecosystem services | the processes by which life-supporting resources such as clean water, timber, fisheries, and agricultural crops are produced | 59 | |
| 10679021271 | environmental indicators | describe the current state of an environmental system | 60 | |
| 10679021272 | sustainability | living on Earth in a way that allows us to use its resources without depriving future generations of those resources | 61 | |
| 10679021273 | biodiversity | the diversity of life forms in an environment | 62 | |
| 10679021274 | speciation | the evolution of new species | 63 | |
| 10679021275 | background extinction rate | the average rate at which species go extinct over the long term | 64 | |
| 10679021276 | greenhouse gases | heat-trapping gases in the atmosphere | 65 | |
| 10679021277 | anthropogenic | effects derived from human activities | 66 | |
| 10679021278 | development | improvement in human hell-being through economic advancement | 67 | |
| 10679021279 | sustainable development | development that balances current human well-being and economic advancement with resource management for the benefit of future generations | 68 | |
| 10679021280 | ecological footprint | a measure of how much that person consumes, expressed in area of land | 69 | |
| 10679021281 | scientific method | an objective way to explore the natural world, draw inferences from it, and predict the outcome of certain events, processes, or changes | 70 | |
| 10679021282 | hypothesis | a testable conjecture about how something works | 71 | |
| 10679021283 | null hypothesis | a statement or idea that can falsified, or proved wrong | 72 | |
| 10679021284 | replication | the process of taking several sets of measurements | 73 | |
| 10679021285 | sample size | number of times a measurement is replicated or the number of sets of measurements | 74 | |
| 10679021286 | uncertainty | an estimate of how much a measured or calculated value differs from a true value | 75 | |
| 10679021287 | inductive reasoning | the process of making general statements from specific facts or examples | 76 | |
| 10679021288 | deductive reasoning | the process of applying a general statement to specific facts or situations | 77 | |
| 10679021289 | critical thinking | the process of reading findings with a critical eye; questioning the source of the information, considering the methods of processes that were used to obtain the information, and drawing your own conclusions | 78 | |
| 10679021290 | theory | a hypothesis that has been repeatedly tested and confirmed by multiple groups of researchers and has reached wide acceptance | 79 | |
| 10679021291 | natural law | a theory to which there are no known exceptions and which has withstood rigorous testing | 80 | |
| 10679021292 | control group | a group that experiences exactly the same conditions as the experimental group, except for the single variable under study | 81 | |
| 10679021293 | natural experiment | occurs when a natural event acts as an experimental treatment in an ecosystem | 82 | |
| 10679021294 | environmental justice | a social movement and field of study that works toward equal enforcement of environmental laws and the elimination of disparities, whether intended or unintended, in how pollutants and other environmental harms are distributed among the various ethnic and socioeconomic groups within a society | 83 |
