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Unit 2 Benchmark review Grade 8 Flashcards | StudBud
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Unit 2 Benchmark review Grade 8
Unit 2 Benchmark review Grade 8
28 terms
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StudBud Administration
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15 plays
This is for all of Mrs. Vickers classes
Flashcards
28 cards
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Practice quiz
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Host live
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Questions
28
Answers
1
Law of conservation of mass
only transformed into different substances
Mass isn't created or destroyed only transformed into different substances
Mass is created and destroyed
2
define and determine Volume
cm^3(cubic centimeter)
The amount of space that an object takes up
all of the above
V=LxBxH
3
What is solubility
shine of metal
given amount of mass in a given amount of volume
I don't know
The ability to dissolve in another substance
4
An element is a substance that is made up of one type of atom
True
False
5
What is the Freezing point
0 degrees C
75 degrees C
50 degrees C
100 degrees C
6
Define element
made up of different kinds of atoms chemically combined
contains variety of elements
made up of one or more of the same kind of element chemically combined
Building block of matter
7
Is bleach an Base or acidic on the pH scale
Yes
Neutral
none of the the above
No
8
Signs of a chemical change
all of the above
Change in color and energy
Formation of precipitate
Production of gas and odor
9
Define weight
measure of gravitational force
amount of matter in an object
N/A
how much mass is in an object
10
Light and sound are matter
False
True
11
Define mass
measure of gravitational force
describes the amount of matter in an abject
it means weight
anything that takes up space
12
Where is the proton located?
orbital of nucleas
Definitly right answer
nucleus/ center
not real
13
Matter is anything that has mass and takes up space
False
True
14
You are having fun
False
True
15
How do you get density(the equation)
D=mass/volume
D=volume/mass
density is fake like the earth being round:)
All of the above
16
You wants to make toast ,you put the bread to toast for 3min.You realizes it's black now .What change occurred
chemical change
physical change
nothing
17
Evaporation is the change in state from gas to a liquid
True
False
18
A solid does not have a definite volume but a definite shape
False
True
19
What is malleability
N/A
the shine of the metal
The ability of a substance to be rolled or pounded into various shapes
magnetic attraction
20
Sean made this quiz. image of me at spelling bee in New York City:)
True
False
21
How many periods does The periodic table have?
18
9
13
7
22
Which statements best describes Mn and Fe(might want to click picture, look in the blue area)
they are in the same family
they are in the same group and period
They are in the same group
they are in the same period
23
Define density
building block of matter
measures the amount of mass in a given volume
D=volume/mass
The amount of space that an object takes up
24
How many protons does Hydrogen have
16 protons
<- Not the answer
1 electron
1 proton
25
A physical property can be measured without changing the identity of the substance
True
False
26
Objects with similar volumes don' always have the same mass
True
False
27
Define atom
building block of matter
Thesmallestunit of the element that maintains the properties of the element
made up of multiple elements
28
Where is the electron located
Nucelus
no such thing
Orbital of nucleus
all of the above
