Matter and enrgy
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 takes up space and has mass
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| Mass | describes the amount of matter in an objects
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| Weight | is a measure of gravitational force on an object
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| Volume | the amount of space that an object takes up
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| Density | is a measure of the amount of mass in a given volume
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| Physical Property | a characteristic of a substance that can be observed and measured without changing the identity of the subsence
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| Chemical Property | describes a substances ability to change into a new substance with different properties
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| Physical Change | is a change that affects one or more physical properties of a substance
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| Chemical Change | occurs when one or more substances change into entirely new substances with different properties
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| Law of Conservation of Mass | states that in ordinary chemical and physical changes, mass is not created or destroyed but is only transformed into different substances
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| Atoms | are the smallest unit of an element that maintains the properties of an element
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| Element | is made up of one or more of the same kind of atom chemically combined
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| Compound | is made up of different kinds of atoms chemically combined
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| Mixture | contains a variety of elements and compound that are not chemically combined with each other
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| Pure Substances | elements and compounds
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| Heterogeneous | a mixture that does not have a uniform composition
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| Homogeneous | a mixture with sweet taste
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| Solid | substance has a definite volume and shape
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| Liquid | substance has a definite volume but not a definite shape
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| Gas | does not have a definite volume or shape
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| Freezing | when a liquid becomes a solid
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| Melting | when a solid becomes a liquid
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| Evaporation | when a liquid becomes a gas
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| Condensation | when a gas becomes a liquid
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| Sublimation | when a solid becomes a gas
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| Deposition | when a gas becomes a solid
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Created by:
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