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8th Grade 2014 SOL Released Test Set Items 3 Flashcards | StudBud
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8th Grade 2014 SOL Released Test Set Items 3
8th Grade 2014 SOL Released Test Set Items 3
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8th Grade 2014 SOL Released Test Set Items 3
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1
Which of these is a way that a person can help improve air quality?
burn leaves in the fall
build a compost pile
use a gas-powered lawn mover
carpool with several people
2
Which facility relies on a nonrenewable source of energy?
A dam that uses the power of water.
A power station that burns coal.
A wind farm that uses wind turbines.
A solar farm that collects sunlight.
3
Which of these represents the freezing point of water in correct SI units?
-2730C
02F
00C
320F
4
What change will likely increase the strength of a magnetic field produced by an electromagnet?
Switch the direction in which the battery is connected
Reduce the number of turns of the coil
Add a battery
Remove the iron nail
5
Which of these is the best description of a typical organism in the Plant Kingdom?
makes its own food
lacks a nucleus
lacks a cell wall
is unicellular
6
Which statement correctly describes a difference between the mesosphere and the stratosphere?
Air pressure is lower in the stratosphere than mesosphere
The mesosphere has fewer O2 molecules than the stratosphere
Temperature decreases with altitude only in the stratosphere
The mesosphere has active weather than the stratosphere.
7
A girl kicks a soccer ball into the air. Why did the soccer ball fall back to Earth?
The acceleration of the ball is unstable.
The pressure on the ball changes with altitude.
The motion of the ball is changed by external forces.
The force exerted on the ball is greater than gravity.
8
The prefix centi- means
one-tenth
100
one-thouandth
one-hundredth
9
A student measures her heart rate after each of the activities. Which is a constant?
length of activity time
Equipment needed for activity
activity performed
energy expended during activity
10
The physical expression of a trait in an organism is known as the-
chromosome
genotype
phenotype
double helix
11
As the frequency of a wave decreases, the wave's-
amplitude increases
period decreases
wavelength increases
speed decreases
12
An amount of a substance was dissolved in water at different temperatures. What was the IV?
Water volume
Unknown substance used
Amount of substance dissolved
Water temperature
13
Which characteristic is common to the four outer planets in our solar system?
Gaseous composition
Fast revolution
High density
Low mass
14
Which organisms are producers in this food web?
grass, shrub, tree
grasshopper, rabbit, deer
shrew, snake, wolf
hawk, snake, wolf
15
The tick bird alerts the zebra of predators, the birds eat ticks off. Symbiotic relationship?
mutualism
competition
commensalism
parasitism
16
During human fertilization, an egg & sperm cell unite. What carry the genes to the offspring?
ribosomes
cell membrane
vacuoles
chromosomes
17
When comparing a plant cell to an animal cell, only the plant cell will contain-
mitochondria
chloroplasts
ribosomes
chromosomes
