stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Science 8 SOL Review - Release Items (2015) Flashcards | StudBud
Explore
/
Science 8 SOL Review - Release Items (2015)
Science 8 SOL Review - Release Items (2015)
40 terms
·
StudBud Administration
·
9,202 plays
2015 Released Virginia Science 8 SOL
Flashcards
40 cards
F
Practice quiz
P
Host live
L
Questions
40
Answers
1
Hurricanes rarely form at higher latitudes because the water is too...
cold
warm
deep
shallow
2
A student measures her heart rate after each of the activities listed. Which is a constant?
Equipment needed for activity
Energy expended during activity
Length of activity time
Activity performed
3
Which of these best completes the conversion table?
1 km = 1000m & 1 m = 100 cm
1 km = 1000 m & 1 m = 100 mm
1 km=1000 mm & 1 m =100 cm
1 km = 1000 cm & 1 m = 100 mm
4
Why is water known as the "universal solvent"?
It dissolves substances faster than all other solvents.
It dissolves only solid substances.
It dissolves all known substances.
It dissolves the greatest number of substances.
5
Which of these is most likely the result of weasels & foxes depending on the same food source?
One of the populations will become herbivores.
New species of prey will evolve in the area.
The populations will compete with each other.
Birthrates for both populations will increase.
6
As the frequency of a wave decreases, the wave's -
speed decreases
wavelength increases
period decreases
amplitude increases
7
When comparing a plant cell to an animal cell, only the plant cell will contain -
chloroplasts
ribosomes
chromosomes
mitochondria
8
Mucus produced by clownfish to protect against their homes stinging cells is best described as
an adaptation.
a social hierarchy.
a relationship.
an energy requirement.
9
The physical expression of a trait in an organism is known as the -
Genotype
Chromosome
Double Helix
Phenotype
10
Which structures in the egg & sperm carry the genes that will be transferred to the offspring?
vacuoles
chromosomes
ribosomes
cell membranes
11
Which drawing(s) best represent objects with kinetic energy
C, D, & F
A, B, & E
D, E, & F
B, C, & D
12
What is the primary type of interaction between the tick birds and the zebras?
Parasitism
Mutualism
Competition
Commensalism
13
Which action will most reduce the use of nonrenewable energy resources in a school district?
Replacing current lighting with more efficient lighting
Limiting the sweeping & mopping of classrooms 2 once a month
Installing low-flow faucets & toilets
Recycling worksheets & other paper products
14
Water droplets form on the mirror when positioned over the pot. In this setup, water -
freezes and then vaporizes
vaporizes and then condenses
vaporizes and then freezes
condenses and then vaporizes
15
In order to provide the power for heater & lights in a camp, which device would be appropriate?
A resistor
An insulator
A generator
A voltmeter
16
Which characteristic is common to the four outer planets in our solar system?
fast revolution
gaseous composition
low mass
high density
17
A major scientific concern over nuclear energy is how to -
prevent the depletion of the ozone layer
reduce the high levels of CO2 emitted into the air
deal with the large amounts of fossil fuels required
store the waste products safely
18
Which of these is the best description of a typical organism in the Plant kingdom?
Lacks a nuculeus
Is unicellular
Makes its own food
Lacks a cell wall
19
Which of these is a way that a person can help improve air quality?
Use a gas-powered lawn mower
Burn leaves in the fall
Build a compost pile
Carpool with several people
20
The shaded row in the table below is called a...
period
column
group
family
21
Which facility relies on a nonrenewable source of energy?
A dam that uses the power of water
A solar farm that collects sunlight
A power station that burns coal
A wind farm that uses wind turbines
22
Which change will increase the strength of a magnetic field produced by an electromagnet?
Reduce the number of turns of the coil
Remove the iron nail
Add a battery
Switch the direction in which the battery is connected
23
The speed of light is about 300,000,000 m/s. Which is the correct scientific notation?
3.0 x 108 m/s
30.0 x 107 m/s
3.0 x 107 m/s
30.0 x 108 m/s
24
A cold air mass moves underneath a warm air mass causing the warm air to rise. This is called:
an occluded front
a stationary front
a warm front
a cold front
25
Which of these best explains why the soccer ball falls back to Earth after being kicked?
The acceleration of the ball is unstable.
The pressure on the ball changes with altitude.
The force exerted on the ball is greater than gravity.
The motion of the ball is changed by external forces.
26
Sound waves are unable to travel through -
air
a rock
a vacuum
water
27
Which of these represents the freezing point of water in correct SI units?
0ºF
-273ºC
0°C
32ºF
28
A spoon was placed in a dish of ice cream & became cool. What is the heat transfer process?
Convection, b/c air currents affecting temp. of spoon
Conduction, b/c air currents affecting temp. of spoon
Conduction, b/c spoon touching ice cream
Convection, b/c spoon touching ice cream
29
Which statement correctly describes a difference between the mesosphere and the stratosphere?
The mesosphere has more active weather than the stratosphere
Temperatures decrease with altitude only in the stratosphere
Air pressure is lower in the stratosphere
Mesosphere contains fewer O2 molecules than the stratosphere
30
What was the independent variable in this investigation?
Water temperature
Unknown substance used
Amount of substance dissolved
Water volume
31
Which of these has the strongest gravitational field?
Sun
Saturn
Jupiter
Earth
32
Which body of water contains a mixture of fresh and salt water?
Estuary
Pond
Lake
Ocean
33
Which unknown physical property can be found using a beaker, hot plate, & a temperature probe?
boiling point
density
chemical composition
oxygen level
34
How many different elements are involved in the chemical reaction shown?
3
2
4
5
35
A student recorded the temp.of an aquarium each hr for 8 hrs. What kind of graph would be used?
Picture Graph
Line Graph
Circle Graph
Bar Graph
36
Why do white-footed mice have thicker fur than cactus mice?
Differences in the time of day they are active.
Differences in the amount of predators they encounter.
Differences in the food that they eat.
Differences in the environmental climates where they live.
37
Which of these is an example of chemical weathering by water?
Limestone reacts with acid rain and dissolves
Moss collects and grows on the surface of rocks.
Water freezes in rock cracks and causes the rock to split.
Mineral crystals form as water evaporates from rocks.
38
From 1965 to 1970, which data pattern did scientist observe?
A drop in wolf population & an increase in moose population
increase in wolf population & increase in moose population
A drop in wolf population & a drop in moose population
An increase in wolf population & a drop in moose population
39
Which is the result of using a more powerful motor to run an elevator?
The same amount of time is needed to move the same distance.
A longer time is needed to move a shorter distance.
The same amount of work is done in less time.
Less work is done in the same amount of time.
40
Which of these has been improved by genetic engineering?
reduced number of pollinating insects
growth of insects in cornfields
resistance of corn plants to insects
visibility of insects to predators
