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Science > 3rd 9 Week Study Guide > Flashcards

3rd 9 Week Study Guide Flashcards

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0
Q

Where on a magnet is the magnetic force strongest

A

At either the north or South Pole

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1
Q

What is a material that attracts iron and materials that contain iron

A

Magnet

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2
Q

In a magnetized material, all or most of the magnetic domains are arranged the same

A

Direction

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3
Q

You can destroy a magnet by

A

Heating it

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4
Q

Every million years or so, earths magnetic field has

A

Reversed direction

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5
Q

The region of earths magnetic field shaped by solar wind is called the

A

Magnetosphere

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6
Q

The area of magnetic force around a magnet is called the magnets

A

Magnetic field

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7
Q

A group of atoms with their magnetic fields pointing in the same direction is called a

A

Magnetic domain

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8
Q

A magnet made from material that keeps its magnetism for a long time is called a

A

Permanent magnet

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9
Q

A glowing region in the earths atmosphere caused by charged particles from the sun is called an

A

Aurora

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10
Q

What is chlorines symbol

A

Cl

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11
Q

What shows the number of protons and neutrons in an atom

A

Atomic mass

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12
Q

What is calciums symbol

A

Ca

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13
Q

What is carbons symbol

A

C

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14
Q

Where does it show the number of electrons

A

Atomic number

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15
Q

What is irons symbol

A

Fe

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16
Q

What is sodiums symbol

A

Na

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17
Q

Where does it show the number of protons

A

Atomic number

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18
Q

How do you find the number of neutrons

A

Subtract the atomic number from the atomic mass

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19
Q

What is the atomic mass media of gold if it has 118 neutrons and 79 protons

A

197

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20
Q

What is golds symbol

A

Au

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21
Q

A well mixed mixture that contains a solvent and at least one solute is called a

A

Solution

22
Q

Which part of a solution is present in the largest amount

A

Solvent

23
Q

Which part of a solution is present in the smaller amount

A

Solute

24
Q

Elements within a group always have the same number of

A

Valence electrons

25
Q

What is solubility

A

A measure of how much solute can dissolve in a solvent at a given temperature

26
Q

The______ _______of an element is the number of protons in the nucleus of an atom

A

Atomic number

27
Q

What is the row of elements across the periodic table called

A

Period

28
Q

______ ________ are those electrons that are held most loosely in an atom

A

Valence electrons

29
Q

A mixture that has so much solute that no more will dissolve is called

A

Saturated

30
Q

A________is two or more elements that are chemically combined

A

Compound

31
Q

In a solution, the______is dissolved by the______

A

Solute,solvent

32
Q

Protons and neutrons of an atom are located in the

A

Nucleus

33
Q

The smallest unit of an element that has all the basic properties a fan element is called an

A

Atom

34
Q

What particle of an atom has no positive or negative charge

A

Neutron

35
Q

Which factors affect the solubility of a substance

A

Pressure, temperature, and type of solvent

36
Q

What are elements in the same column of the periodic table called

A

Family

37
Q

How are elements represented in the periodic table

A

Symbols

38
Q

How is the periodic table organized

A

By atomic number

39
Q

What is the greatest number of valence electrons an atom can have

A

8

40
Q

What is matter

A

Anything that has mass and takes up space

41
Q

What is an element

A

The simplest pure substance that cannot be broken Dow into any other substance

42
Q

What is a compound

A

Pure substance made of two or more elements that are chemically combined in a specific ratio

43
Q

What is a mixture

A

Two or more substances that are in the same place but not chemically combined

44
Q

What is an atom

A

Smallest Particle of an element

45
Q

What is an electron

A

Negatively charged particles in an atom

46
Q

What is a nucleus

A

Positively charged region in the center of an atom

47
Q

What is a proton

A

Positively charged particle in the nucleus of an atom

48
Q

What are the two major factors that scientists use to classify climates

A

Temperature and precipitation

49
Q

The day to day change in temperature and precipitation makes up an areas

A

Weather

50
Q

What did Koppen also consider when classifying climates

A

Vegitation

51
Q

Seasons are caused by

A

The tilt of earths axis

52
Q

Which of the following is not one of the major climate regions

A

Ice cap

53
Q

Permanatly frozen tundra soil is called

A

Permafrost

Science (8 decks)

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