Science test chp 6
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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| Atom | the basic unit of all non- living things
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| Bohr Model | a model of the atom, developed by Neils Bohr, that shows electrons moving in orbit around the nucleus of the atom
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| electron cloud model | the model of the atom that shows electroins forming a cloud as they move around the nucleus of a atom
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| element | matter that is made of just one kind of atom
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| atomic number | the number of protons in a atom of an element
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| periodic table | a chart that contains many facts about the elements and their atoms
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| Dmitril mendeleev | russian scientist who createdthe peiodic table in the 1880s organized by atomic number
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| proton | a subatomic particle with a positive charge found in the nucleus of a atom
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| electron | a subatomic particle with a negative charge found around the nucleus
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| neutron | a suatomic particle with a neutral charge found in the nucleus
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| there are ______ known elements | 109
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| problem | a question or problem that you can reasearch an test
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| reasearch | the backround info about a scientific problem gained from using internet, books, etc
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| hypothesis | predictions or an educated guess based on research
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| procedure | the steps you will follow to solve and test a scientific problem
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| maaterials | a list of everything you will need to test the scientific method and run the experiment
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| experiment | the atual test of the scientific problem
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| data | the info that is gathered during the experiment and is represented in a graph, chart, etc
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| observations | any changes you notic during the experiment
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| conclusion | statement aboutthe results of the experiment
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| theory | final fatual statement about the results of the experiments applied in general terms
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| the ten steps of the scientific method | 1.problem, 2.reasearh, 3.hypothesis, 4.procedure, 5.materials, 6.experiment, 7.data, 8.obervations, 9.conclusion, 10. theory
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| matter | anythingthat takes up space and has mass. matter is made up of 13 kinds of atoms
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| Compound | Asubstance formed when two or mpre elements combine chemically
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| Chemical bonds | the forcesthat holds together the atoms in a compound
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| ions | an atom tha has gained or lost electrons
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| molecule | a particle formed by sharing electrons
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| formula | a group of symbols that shows the elements in a compound
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| organic compound | compounds that contain carbon
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| hydrocarbon | a compund made of just tha two elements hydrogen and carbon
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| polymer | an organic compound that consits mainly of just a long chain of carbon atoms
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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.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
henrypavis
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