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29 Cards in this Set
- Front
- Back
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science |
a way to understand the world by carefully thinking about it and testing our guesses |
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Scientist |
a person who is studying or has expert knowledge of one or more forms of science |
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Research |
investigation into a subject in order to discover or revise facts and reach new conclusions |
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Hypothesis |
an idea or explanation that a scientist tests through research or experimentation |
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Inquiry |
seeking new information |
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Experiment |
a way of testing an idea to make a discovery, test a hypothesis, or demonstrate a known fact |
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Evidence |
facts or information that help to prove or disprove a hypothesis |
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Data |
evidence that is in the form of numbers |
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Procedure |
an official way of doing something |
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Variable |
something that can change |
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Observations |
something that has been seen, heard, or noticed |
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Conclusion |
a judgement or decision based on evidence |
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Physical |
observable things in nature or of the body |
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Organism |
an individual animal, plant, or single-celled life form |
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Chemical |
the substances that physical things are made of (pizza=physical thing.. cheese, sauce, dough are substances) |
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Biological |
relating to life and living things |
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Environment |
the surroundings or conditions where a person, animal, or plant lives and operates |
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System |
a set of connected things or parts forming a complex whole |
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Ecosystem |
a biological community of interacting organisms and their physical environment. |
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Ecosystem process |
The physical, chemical and biological actions or events that link organisms and their environment. |
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Cycle |
A natural process in which elements are continuously cycled in various forms between different compartments of the environment (e.g., air, water, soil, organisms). |
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Matter |
anything that can be seen or touched and takes up space |
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Atom |
the smallest part of a whole |
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Nucleus |
the center of an atom, made up of protons and neutrons, and is responsible for what the atom does. It's like the “mind” of an atom.. |
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Proton |
One out of two pieces of the nucleus. Has a positive electrical charge. |
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Neutron |
The second piece of the nucleus. Has no electrical charge (is neutral). |
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Electron |
a particle that moves really fast around the nucleus and gives an atom its circular shape. Has a negative electrical charge |
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Molecule |
a group of 2 or more atoms. Is the smallest piece of an element. |
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Element |
the smallest “ingredient” that makes up matter. |
