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JJMS 8th Grade Science SOL Review Spring 2019 Flashcards | StudBud
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JJMS 8th Grade Science SOL Review Spring 2019
JJMS 8th Grade Science SOL Review Spring 2019
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Review questions: #Virginia #SOL #physicalscience #8thgrade
Flashcards
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Answers
1
Which is the most abundant element in Earth's atmosphere?
Nitrogen
Carbon
Hydrogen
Oxygen
2
How many atoms of potassium are in 4K
2
CO
3
?
24
8
2
6
3
As you go up through the layers of the atmosphere, this always decreases.
Ozone
Temperature
Light
Pressure
4
Which of these is in all organic life?
Oxygen
Carbon
Nitrogen
Hydrogen
5
Which two believed in the Geocentric model of the solar system?
Ptolemy
Galileo
Aristotle
Copernicus
6
Which of these happens as a result of something the experimenter changes?
Constants
Dependent variable
Independent variable
Control
7
Which front will have fast-moving thunderstorms?
Occluded front
Stationary front
Cold front
Warm front
8
We live in this layer of the atmosphere:
Troposphere
Stratosphere
Thermosphere
Mesosphere
9
Which planet is less than 1 astronomical unit from the sun?
Venus
Earth
Neptune
Jupiter
10
An apple tree would be considered to be a(n)
fungi
gymnosperm
angiosperm
archbacteria
11
Which part of the cell contains the DNA information for that cell?
Nucleus
Cell Wall
Ribosomes
Mitochondrian
12
To measure the mass of a stone, you would use a(n)
graduated cylinder.
spring scale.
ruler.
triple beam balance.
13
Which of these is not in the nucleus of an atom?
Proton
Electron
Neutron
All of these are in the nucleus.
14
A triple beam balance measures
density.
mass.
weight.
volume.
15
9.8 grams = _______ mg.
.0098
98
9800
980
16
Which of the following is found only in plant cells?
Cytoplasm
Mitochondrian
Nucelus
Chloroplasts
17
Which is caused by the rotation of the Earth?
Temperatures
Day and Night
Seasons
Years
18
Rosalind Franklin first saw the double helix of DNA using:
A telescope
A microscope
An electron microscope
An x-ray
19
What is an area of land that drains all its rainwater into a river, bay, or other water body?
Watershed
Estuary
Ocean
Tributary
20
To measure the volume of an irregularly-shaped solid, you would use a(n)
graduated cylinder.
triple beam balance.
spring scale.
ruler.
21
Which of these is a physical change?
Burning coal
Tarnishing silver
Melting ice
Rusting iron
22
What is the most abundant element in the Earth's crust?
Oxygen
Carbon
Hydrogen
Nitrogen
23
Creating a buffer zone helps with this environmental issue:
Chemical weathering
Air pollution
Erosion
Acid rain
24
The ozone layer is in the
stratosphere.
troposphere.
thermosphere.
mesosphere.
25
Which is an example of adhesion?
Two drops of water stick to each other
A bug walks on water
None of these
A water droplet sticks to a leaf
26
The number of dots in a Lewis Dot Diagram represents
the atomic mass of the element.
the position of neutrons.
the number of valence electrons.
the number of nuclei.
27
Which graph would be the best choice to represent percentages?
Line
Histogram
Circle
Bar
