Matter & Energy Chapter 1 (Notes + Flashcards)

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Physics

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33 Terms

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Smaller masses
________ are often measured in grams (g)
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large grapefruit
A(n) ________ has a mass of about one- half kilogram.
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basketball
If a(n) ________ balances a metal block, for example, then the ________ and the block have the same mass.
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Beam balances
________ work in a similar way, but instead of comparing the masses of two objects, you compare the mass of an object with a standard mass on the beam.
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MATTER
is a measure of how much matter an object contains
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Calculating Volume
What is the volume of a pizza box that is 8 cm high, 38 cm wide, and 38 cm long
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Answer
11,552 cm3
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matter
anything that has mass and volume. It exists ordinarily as a solid, liquid, and gas
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mass
a measure of how much matter an object is made of
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weight
the force of gravity on an object
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volume
the amount of three-dimensional space often used to describe the space that an object takes up
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atom
the smallest particle of an element that has the chemical properties of that element
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molecule
a group of atoms that are held together by covalent bonds so that they move as a single unit
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element
a substance that cannot be broken down into a simpler substance by ordinary chemical changes
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compound
a substance made up of two or more different types of atoms bonded together
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mixture
a combination of 2 or more different substances that do not combine chemically but remain the same individual substances. These can be separated by physical means
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solid
matter that has a definite shape and a definite volume
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liquid
matter that has a definite volume but does not have a definite shape
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gas
matter with no definite volume and no definite shape
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states of matter
the different forms in which matter can exist. Three familiar states are solid, liquid, and gas
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matter
anything that has mass and volume. It exists ordinarily as a solid, liquid, and gas
22
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mass
a measure of how much matter an object is made of
23
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weight
the force of gravity on an object
24
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volume
the amount of three-dimensional space often used to describe the space that an object takes up
25
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atom
the smallest particle of an element that has the chemical properties of that element
26
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molecule
a group of atoms that are held together by covalent bonds so that they move as a single unit
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element
a substance that cannot be broken down into a simpler substance by ordinary chemical changes
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compound
a substance made up of two or more different types of atoms bonded together
29
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mixture
a combination of 2 or more different substances that do not combine chemically but remain the same individual substances. These can be separated by physical means
30
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solid
matter that has a definite shape and a definite volume
31
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liquid
matter that has a definite volume but does not have a definite shape
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gas
matter with no definite volume and no definite shape
33
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states of matter
the different forms in which matter can exist. Three familiar states are solid, liquid, and gas