Chap 1 Intro2Matter
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 | is anything that has mass and takes up space.
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| Chemistry | is the study of the properties of matter and how matter changes.
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| Substance | is a single kind of matter that is pure, meaning it always has a specific makeup—or composition—and a specific set of properties.
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| Physical Property | is a characteristic of a pure substance that can be observed without changing it into another substance.
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| Chemical Property | is a characteristic of a pure substance that describes its ability to change into different substances.
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| Element | is a pure substance that cannot be broken down into any other substances by chemical or physical means.
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| Atom | is the basic particle from which all elements are made.
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| Chemical Bond | is a force of attraction between two atoms.
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| Molecules | atoms combine to form larger particles
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| Compound | is a pure substance made of two or more elements chemically combined in a set ratio.
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| Chemical Formula | shows the elements in the compound and the ratio of atoms.
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| Mixture | is made of two or more substances—elements, compounds, or both—that are together in the same place but are not chemically combined.
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| Homogenous Mixture | so evenly mixed that you can’t see the different parts
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| Heterogenous Mixture | you can see the different parts
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| Solution | is an example of a homogeneous mixture.
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| Weight | is a measure of the force of gravity on you
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| Mass | of an object is the measurement of the amount of matter in the object.
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| International System of Units | To measure the properties of matter, scientists use a system called
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| Volume | The amount of space that matter occupies
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| Density | relates the mass of a material in a given volume.
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| Physical Change | is any change that alters the form or appearance of matter but does not make any substance in the matter into a different substance.
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| Chemical Change | change in matter that produces one or more new substances
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| Law of Conservation of Mass | The fact that matter is not created or destroyed in any chemical or physical change
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| Energy | is the ability to do work or cause change.
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| Tempurature | is a measure of the average energy of random motion of particles of matter.
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| Thermal Energy | is the total energy of all of the particles in an object.
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| Endothermic Change | a change in which energy is taken in.
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| Exothermic Change | releases energy
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| Kinetic Energy | the energy of matter in motion
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| Potential Energy | is the energy an object has because of its position
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| Chemical Energy | The internal energy stored in the chemical bonds between atoms is a form of potential energy
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| Electromagnetic Energy | a form of energy that travels through space as waves
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| Electrical Energy | is the energy of electrically charged particles moving from one place to another
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| Electrodes | In electrolysis two metal strips called_________ are placed in a solution but do not touch.
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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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