Chapter 1 and 2 chemistry test
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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| Chemistry | The composition of matter and the changes matter undergoes.
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| Matter | Anything that takes up space and has mass.
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| Volume | The space and object occupies.
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| Qualitative | Observation made without measuring.
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| Quantitative | Observation made with measuring.
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| Law | Explains what happens.
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| Theory | Explains why things happen, well tested, but may change with new technology or future experiments.
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| Property | Used to describe matter; how it appears, behaves, changes or reacts.
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| States of matter | Gas, liquid,and solid.
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| Volatile | A substance that easily changes from a liquid to a gas at room temperature; gasoline.
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| Density | The amount of matter contained in a given volume.
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| Physical changes include | Hardness, color, conductivity, melting point, and boiling point, magnetic, state, density.
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| Examples of physical changes are these | Boil, freeze, melt, condense, break, cut, and crush.
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| Chemical change | A change in the identity of a substance. The change of one or more substances into new substances.
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| Chemical properties | Burn, rot, rust, decompose, explode, corrode.
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| A chemical reaction has happened if you see | A gas,a precipitate,color change, a temperature, or a change in the surface of the substance.
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| Reactant | The substance present at the start.
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| Product | The substance produced.
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| Substance | Pure matter that contains the same composition and properties.
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| Mixture | A substance consisting of two or more substances mixed together without any chemical bonding between them.
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| Heterogeneous | Composed of unrelated or differing parts or elements.
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| Homogeneous | Composed of parts or elements that are all of the same kind.
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| Solute | Substance that is dissolved.
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| Solvent | The substance that does the dissolving.
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| Alloy | A solid solution of different metal substances.
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| Element | A pure substance that cannot be broken down into simpler substances; one type of atom.
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| Compound | Pure substance made up of two or more elements together in fixed proportions.
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| Law of conservation of mass | In a chemical reaction, matter is neither created nor destroyed.
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| Exothermic | Reaction in which energy is given off (fire; tear down).
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| Endothermic | Reaction in which energy is absorbed (photosynthesis).
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| Atom | The smallest quantity of an element that can take part in chemical reaction, individual particles.
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| Molecule | Two or more atoms bonded together.
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| Compound | One type of molecule with two or more different atoms.
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| Solid | Matter with a definite shape and volume.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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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