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1st semester study guide
1st semester study guide
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#science #science #grade_08
Flashcards
73 cards
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Practice quiz
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Host live
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Questions
73
Answers
1
Which one is higher
Water
Celcius
Kelvin
Fahrenheit
2
A graduated cylinder measures water better
False
True
3
What’s a charged atom
Ionic
Hollo
Covalent
Ion
4
Temperature can be effect by the rate of speed up or slow down
True
False
5
What two are units for volume
Celcius
A and B
Liters
Meters
6
How many valence electrons do alkaline metals have
1
None
3
2
7
What’s the substance located on the right side of the chemical equation
Product
Reactant
8
What was lavoisers contribution to science
He helped teach Kevin McAllister
He rode to Dallas and bought coffee
He discovered the role of oxygen play in combustion
He helped fly a kite
9
What type of bond occurs between two nonmetals
Covalent
Metallic
10
What diagram do you use to represent an atoms valence electrons
Dot diagram
Dot chart
Dot symbol
11
Which group is the largest
Nonmetals
Metallic
Any food
Metals
12
What makes a chemical equation to make it balanced
Cataract
Catalyst
13
Who discovered neutrons
James Chadwick
Buddy the elf
Marv from home alone
Chadwick Bozeman
14
Applied science is referenced to as technology
False
True
15
Substance is a form of matter having constant physical compositions and characteristics throughout
True
False
16
What breaks between reactants during a chemical reaction
Bonds between molecules
Bonds between atoms
17
If an atom loses an electron it becomes a + ion
True
False
18
What makes up a an atom
Electron
Particles
All the above
Neutron
19
What’s a shorthand way to write a compound
The word
Electron dot diagram
Symbols
A sandwich
20
Who stated atoms don’t have anything inside them
John Adams
James Charles
Johnathan Parker
Santa Claus 🎅
21
What’s the special name given to group 17
Halogen
No name
Noble gases
Halo
22
What are the three branches of science
All the above
Life
Physical
Earth
23
What is present after the chemical reaction
Products
Reactants
24
Chemical symbols are abbreviations used in chemistry for chemical elements
False
True
25
Which family is the most stable
Pure substances
Everyone has a stable family
Noble gases
No family
26
Define compound
It’s just there
It’s a weird feeling
A chemical reaction
A chemical substance composed of lots of molecules
27
What would cause the activation energy to be high for a chemical reaction
The temperature increases the molecules move faster
None of the above
A and B
They collide more easily
28
What is the process of learning about the natural world
To dumb
Earth
Astronomy
Science
29
What charge is the charge of a proton
+
-
30
How many periods are on the periodic table
19000000000000000
4
7
16
31
What does the title of a data table do
Pools things closer
Gets ride of pests
Says what time it is
Tells what the name of the experiment is
32
Endothermic reactions is energy being absorbed
False
True
33
What is infer
To live life
Make friend
Deduce or conclude from evidence and reasoning
Eat pudding
34
Where do you look to find the # of electrons on the periodic table
The symbol
The group number
The atomic #
The bottom #
35
What is a variable
Factors that can be changed in a experiment
Shapes and sounds
Factors in a relationship
36
Which family has stable numbers of electrons in their energy level
Noble gas
Gas gas
Something stinky
Authentic gas
37
What happens when two ions with opposite charges react with another
They go on a date
They move on
They reject each other
They cause the ions to form bonds
38
What type of science are you studying this year
Physical
Chemistry
Anatomy
Biology
39
Grams is the unit for what
Volume
Beef jerky
Cars
Mass
40
What does meters cubed measure
Volume
Nothing
Mass
Root amendments
41
Who discovered protons
Rutherford
Archemides
John dalton
Lebrun James
42
Catalyst can be added to a chemical equation to make make it balanced
False
True
43
What type of bond occurs between Mg and Cl
Covalent
Ionic
Metallic
None of the above
44
Which 2 represents calcium and sulfur as a electron dot diagram
A and C
S:)
:S:
[:Ca:]
45
Mass is the amount of matter in an object
False
True
46
__ forms as a result of a chemical bond
Chemical compounds
No bonding happens
They just come together
Chemical changes
47
Who developed the atomic theory
James Chadwick
John dalton
Hercules
James Bond
48
What is matter and non matter
C and B
A substance made with weird animals
A substance made of various types of particles
Any type of energy or an abstract thing
49
How do you find mass #
Multiply the proton and the neutron
Add the proton and neutron
Divide the proton and neutron
Subtract the proton from the neutron
50
The total mass of the reactants is equal to the total mass of products
False
True
51
Which one can not be answered in science
Natural world
Temperature
Politics
Distance
52
Making pictures is the final step in making a expirement
True
False
53
What are isotopes
Distinct nuclear species of the same chemical element
I don’t know 🤷♂️
They are the most frustrating thing to know
Sorry I was watching elf
54
Elements in the same family ___ have the same electric dot diagram
Group
City
Family
Huddle
55
Which family has seven valence electrons
Halogen
None
Master chief
Noble gases
56
What’s found in the outer energy levels
Neutrons
Candycanes
Protons
Electron
57
What’s the si unit for temperature
Degrees Celcius
Degrees Fahrenheit
Water
Mass
58
There are 108 elements on the table
True
False
59
Which electrons in Na atom have the most energy
Nothing
Valence
Patient
60
The protons and neutrons are located in the inner circle
True
False
61
Where are the electrons located
In a tv
O the outer circle
Inside the circle
On a ring
62
Electron dot diagrams represent protons
False
True
63
Molecules are a group of more atoms held together by a attractive force called bonds
False
True
64
What are quarks
A type of elementary particle and a fundamental
I need to take a break
I still don’t know
The number of electrons
65
What is the max # of electrons in the 3rd energy level
8 but really 18
8
0
18
66
A change of state is an example of a ____ change
Physical
Chemical
67
Si units are in multiples of what
10
100
10000000
1
68
What’s your 8th grade science teacher
Mrs. Kirkland
Robert’s
Mrs Britten
Cindy Britten
69
How many groups are on the periodic table
7
1
18
16
70
A variable in an experiment is what
Variable
Constant
Poor taste
Air
71
What’s present before a chemical reaction
Products
Reactants
72
The part of the atom that determines the chemical properties is the # of neutrons
False
True
73
Metallic bond involves a pooling of electrons
False
True
