Science Terms
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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| Observation | using your five senses to gather information from the world around you
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| Inference | an interpretation (explanation) of events based on observation and prior knowledge
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| Quantitative Observations | observations that are expressed in numbers (example: 4 meters)
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| Qualitative Observations | observations that are descriptions that cannot be expressed in numbers (example: round, green)
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| Scientific Inquiry | problem solving steps used in scientific investigations (purpose, research, hypothesis, procedures, data, conclusion)
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| Manipulated (independent) Variable | the factor (part) of an experiment that is changed on purpose
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| Responding (dependent) Variable | the factor (part) of an experiment that changes as a result of the manipulated variable
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| Taxonomy | the classification levels of all organisms; domain, kingdom, phylum (or division for plants), class, order, family, genus, species
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| Cells | the basic unit of living things; they grow, reproduce (by dividing), and die
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| DNA | strands of genetic information shaped like a twisted ladder (double stranded helix)
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| Nitrogen Base Pairs | Adenine pairs with Thymine (AT), Guanine pairs with Cytosine (GC);
make up the steps of the DNA ladder
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| Chromosomes | a specific piece of DNA that carries information for inherited traits; humans have 23 pairs (or 46 total)
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| Diffusion | the spreading out of molecules from where there is a higher concentration to a lower concentration (can be air or water)
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| Osmosis | the diffusion of water through a cell membrane
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| Photosynthesis | process that uses water, sunlight, and carbon dioxide to produce food in the form of glucose (a type of sugar)
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| Respiration | process that breaks down simple food molecules to release stored energy
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| Cell Cycle | the life cycle of a cell - has three phases (interphase, mitosis, cytokinesis)
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| Heredity | the passing of traits from parents to offspring
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| Genome | a map of all the genes in the human body
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| Mutation | a permanent change in the hereditary material of an organism (most likely resulting in harm to the organism)
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| Natural Selection | A process in which individuals that are better adapted to their environment are more likely to survive and reproduce than others.
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| Fossil Record | a record of things that were once living that are now dead (is incomplete)
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| Human Body Systems | many organs working together (digestive, respiratory, circulatory, excretory, muscular, skeletal, nervous)
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| Sexual Reproduction | when 2 parents of opposite sexes are needed to produce offspring
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| Asexual Reproduction | only 1 parent is needed to produce offspring (budding, fission, regeneration)
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| Gamete | what sex cells are called (egg & sperm) - each parent gives 1/2 of required chromosomes to make an organism
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| Testes | male gonads (where sperm is produced)
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| Ovaries | female gonads (where eggs are produced)
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| Fertilization | the process in which sperm unites (joins) with the egg
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| Biome | the community of plants and animals that covers a large geographical area (includes deserts, forests, grasslands, chaparral, tundra, and aquatic)
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| Ecosystem | all living and non-living parts of the environment
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| Population | a group of the same species that lives in an area at the same time (ex: population of humans in Farmington = 45,000)
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| Community | a group of plant and animal populations living together in the same environment; species - a group of organisms that successfully reproduce among themselves and produce fertile offspring
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| Primary Producer | mostly green plants that make their food by photosynthesis
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| Primary Consumer | plant-eating animals
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| Secondary Consumer | predators that eat other animals
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| Decomposers | organisms that break down dead plants and animals into nutrients
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| Adaptation | specific features an animal has to help it survive in its environment
(camouflage)
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| Food Chain | the flow of energy from the sun to green plants, to animals
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| Sun | the main source of energy for living things
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| Earth | the only planet with matter found as a solid, liquid, and gas and has the ability to support life (has water and oxygen)
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| Igneous | formed when molten rock cools
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| Metamorphic | formed when sedimentary or igneous rock goes through a chemical change caused by intense heat or pressure
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| Sedimentary | formed when sediments or organic material are compacted and cemented together
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| Organic | materials that contain carbon and were alive @ one time
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| Inorganic | materials that do not contain carbon & have never been alive
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| Atom | the smallest part of matter
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| Protons | particles that are positively charged
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| Neutrons | particles that have no charge
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| Electrons | particles that have a negative charge
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| Atomic Number | the number of protons in an atom’s nucleus
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| Element | any substance that cannot be broken down (example: O = oxygen)
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| Compound | made up of 2 or more elements (example: H2O)
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| Molten | melted rock found inside the earth
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
kfunston
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