3rd 9 Week Study Guide

Question 0

Where on a magnet is the magnetic force strongest

Answer 0

At either the north or South Pole

Question 1

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

Answer 1

Magnet

Question 2

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

Answer 2

Direction

Question 3

You can destroy a magnet by

Answer 3

Heating it

Question 4

Every million years or so, earths magnetic field has

Answer 4

Reversed direction

Question 5

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

Answer 5

Magnetosphere

Question 6

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

Answer 6

Magnetic field

Question 7

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

Answer 7

Magnetic domain

Question 8

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

Answer 8

Permanent magnet

Question 9

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

Answer 9

Aurora

Question 10

What is chlorines symbol

Answer 10

Cl

Question 11

What shows the number of protons and neutrons in an atom

Answer 11

Atomic mass

Question 12

What is calciums symbol

Answer 12

Ca

Question 13

What is carbons symbol

Answer 13

C

Question 14

Where does it show the number of electrons

Answer 14

Atomic number

Question 15

What is irons symbol

Answer 15

Fe

Question 16

What is sodiums symbol

Answer 16

Na

Question 17

Where does it show the number of protons

Answer 17

Atomic number

Question 18

How do you find the number of neutrons

Answer 18

Subtract the atomic number from the atomic mass

Question 19

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

Answer 19

197

Question 20

What is golds symbol

Answer 20

Au

Question 21

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

Answer 21

Solution

Question 22

Which part of a solution is present in the largest amount

Answer 22

Solvent

Question 23

Which part of a solution is present in the smaller amount

Answer 23

Solute

Question 24

Elements within a group always have the same number of

Answer 24

Valence electrons

Question 25

What is solubility

Answer 25

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

Question 26

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

Answer 26

Atomic number

Question 27

What is the row of elements across the periodic table called

Answer 27

Period

Question 28

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

Answer 28

Valence electrons

Question 29

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

Answer 29

Saturated

Question 30

A________is two or more elements that are chemically combined

Answer 30

Compound

Question 31

In a solution, the______is dissolved by the______

Answer 31

Solute,solvent

Question 32

Protons and neutrons of an atom are located in the

Answer 32

Nucleus

Question 33

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

Answer 33

Atom

Question 34

What particle of an atom has no positive or negative charge

Answer 34

Neutron

Question 35

Which factors affect the solubility of a substance

Answer 35

Pressure, temperature, and type of solvent

Question 36

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

Answer 36

Family

Question 37

How are elements represented in the periodic table

Answer 37

Symbols

Question 38

How is the periodic table organized

Answer 38

By atomic number

Question 39

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

Answer 39

8

Question 40

What is matter

Answer 40

Anything that has mass and takes up space

Question 41

What is an element

Answer 41

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

Question 42

What is a compound

Answer 42

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

Question 43

What is a mixture

Answer 43

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

Question 44

What is an atom

Answer 44

Smallest Particle of an element

Question 45

What is an electron

Answer 45

Negatively charged particles in an atom

Question 46

What is a nucleus

Answer 46

Positively charged region in the center of an atom

Question 47

What is a proton

Answer 47

Positively charged particle in the nucleus of an atom

Question 48

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

Answer 48

Temperature and precipitation

Question 49

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

Answer 49

Weather

Question 50

What did Koppen also consider when classifying climates

Answer 50

Vegitation

Question 51

Seasons are caused by

Answer 51

The tilt of earths axis

Question 52

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

Answer 52

Ice cap

Question 53

Permanatly frozen tundra soil is called

Answer 53

Permafrost