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Science > Chapter 1 test cards > Flashcards

Chapter 1 test cards Flashcards

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1
Q

What is a homogeneous mixture?

A

A mixture where the substances are so evenly mixed that you cannot see the different parts.

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2
Q

What is a chemical change?

A

When matter changes into one or more new substances.

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3
Q

Other units of volume include…

A

Milliters and liters

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4
Q

What is a common unit of volume?

A

Cubic Centimeters

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5
Q

Chemical or Physical?

Ability to tarnish

A

Chemical

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6
Q

Volume=

A

LxWxH

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7
Q

What do atoms combine to form?

A

Molecules

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8
Q

What holds atoms together?

A

Chemical bonds

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9
Q

A compound may be represented by what?

A

Chemical formula

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10
Q

Chemical or Physical?

Ability to freeze

A

Physical

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11
Q

Chemical or Physical?

Color

A

Physical

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12
Q

Chemical or Physical?

Ability to burn

A

Chemical

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13
Q

Every chemical or physical change in matter includes a change in what?

A

Energy

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14
Q

What is a physical property?

A

A property observed without changing a substance into another substance

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15
Q

What is kinetic energy?

A

The energy of motion

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16
Q

What is mass?

A

The measurement of how much matter an object contains

17
Q

Chemical or Physical?

Ability to rust

A

Chemical

18
Q

What is an element?

A

A pure substance that cannot be broken down into any other substances

19
Q

In a physical change, matter changes its appearance but doesn’t change into a different what?

A

Substance

20
Q

Density=

A

Mass/Volume

21
Q

What is an example of a homogeneous mixture?

A

A solution

22
Q

What is an atom?

A

The basic particle that makes up an element

23
Q

What is electrical energy?

A

The energy of electrically charged particles moving from one place to another

24
Q

What is a compound?

A

A pure substance made of two or elements chemically combined in a set ration

25
Q

What is temperature?

A

A measure of a the average energy of a random motion of the particles in the object

26
Q

Chemical or Physical?

Flexibility

A

Physical

27
Q

What is an endothermic change?

A

A change in which energy is taken in or absorbed

28
Q

What is a molecule?

A

Larger particles made up of two or more atoms held together by chemical bonds

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