Unit 1, Lessons 1-6
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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| Matter | Anything that has mass and takes up space.
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| Mass | A measure of the amount of matter in an object.
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| Weight | A measure of the gravitational force exerted on an object.
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| Volume | The amount of space that an object takes up or occupies.
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| Density | The ratio of the mass of a substance to the volume of the substance.
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| Physical Property | A characteristic of a substance that does not involve a chemical change, such as density, color, or hardness.
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| Chemical Property | A property of matter that describes a substances ability to participate in chemical reactions.
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| Physical Change | A change of matter from one form to another without a change in chemical properties.
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| Chemical Change | A change that occurs when one or more substances change into entirely new substances with different properties.
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| Law of Conservation of Mass | The law that states that mass cannot be created or destroyed in ordinary chemical and physical change.
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| Atom | The smallest unit of an element that maintains the properties of that element.
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| Element | A substance that cannot be separated or broken down into simpler substances by chemical means.
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| Compound | A substance made up of atoms of two or more different elements joined by chemical bonds.
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| Mixture | A combination of two or more substances that are not chemically combined.
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| Pure Substance | A sample of matter, either a single element or a single compound, that has definite chemical and physical properties.
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| Heterogeneous | Describes something that does not have a uniform structure or composition throughout.
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| Homogeneous | Describes something that has a uniform structure or composition throughout.
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| Solid | The state of matter in which the volume and shape of a substance are fixed.
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| Liquid | The state of matter that has a definite volume but not a definite shape.
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| Gas | A form of matter that does not have a definite shape or volume.
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| Freezing | The change of state from a liquid to a solid.
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| Melting | The change of state from a sold to a liquid.
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| Evaporation | The change of state from a liquid to a gas that usually occurs at the surface of a liquid over a wide range of temperatures.
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| Boiling | The change of state from a liquid to a gas that occurs at a specific temperature.
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| Condensation | The change of state from a gas to a liquid.
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| Sublimation | The change of state from a solid directly to a gas.
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| Deposition | The change of state from a gas directly to a solid.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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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