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Science MSL Review- Vocabulary For Whole Year
Test Description: Review of all 7th grade science vocabulary- released ?'s from 2013
Instructions: Answer all questions to get your test result.
1) John wants to build a racetrack that will allow his toy cars to travel fast when a force is applied. Which material should he use?
A
gravel, because friction will be high
B
carpet, because friction will be high
C
sandpaper, because friction will be low
D
plastic, because friction will be low
2) A magnet is placed near a pile of steel paper clips. Which will most likely occur?
A
The magnet will provide an unbalanced force, keeping the paper clips stationary.
B
The magnet will provide an unbalanced force, pulling the paper clips toward it.
C
The magnet will provide a balanced force, pushing the paper clips away from it.
D
The magnet will provide a balanced force, causing the paper clips to spin in circles.
3) As a roller coaster car travels down a hill, which type of change in energy allows it to speed up?
A
potential energy changing into heat energy
B
kinetic energy changing into potential energy
C
potential energy changing into kinetic energy
D
kinetic energy changing into heat energy
4) Which form of energy does a car’s engine convert into mechanical energy?
A
gravitational
B
light
C
wind
D
chemical
5) Which type of energy is changed by plants into chemical energy?
A
gravitational
B
nuclear
C
thermal
D
solar
6) How can an inclined plane make work easier?
A
by increasing the amount of friction necessary for the task
B
by decreasing the effort required to raise an object
C
by decreasing the efficiency of the task
D
by increasing the effort necessary to raise an object
7) Which simple machine would be the most efficient for lifting an object 30 m off the ground?
A
screw
B
pulley
C
lever
D
wedge
8) Why does air pressure decrease from the troposphere to the exosphere?
A
because there are more air molecules as altitude increases
B
because there are lower temperatures as altitude increases
C
because there are higher temperatures as altitude increases
D
because there are fewer air molecules as altitude increases
9) How does the temperature of the stratosphere compare to the mesosphere?
A
It is colder than the mesosphere because the stratosphere contains the ionosphere
B
It is colder than the mesosphere because the stratosphere contains the ozone layer
C
It is warmer than the mesosphere because the stratosphere contains the ozone layer
D
It is warmer than the mesosphere because the stratosphere contains the ionosphere
10) Which occurs within a high-pressure system?
A
large clouds, as air rises
B
calm weather, as air sinks
C
the formation of hurricanes
D
the formation of tornadoes
11) How does the convection of air produce thunderstorms?
A
by causing both warm air and cold air to sink
B
by causing warm air to sink and cold air to rise
C
by causing warm air to rise and cold air to sink
D
by causing both warm air and cold air to rise
12) Which best explains how the Coriolis effect influences weather conditions?
A
It causes winds to move to the right in the southern hemisphere.
B
It causes winds to follow a straight–line path around Earth.
C
It causes winds to rotate, forming tornadoes on Earth.
D
It causes winds to turn to the right in the northern hemisphere.
13) Why is it important for the United States to monitor air pollution levels in other countries?
A
The United States has clean air and is able to help other countries.
B
Air pollution can travel to the United States and affect people’s health.
C
Air pollution can improve the ozone layer amounts in the atmosphere.
D
The United States is the only country able to monitor the air quality.
14) What do protists use cilia and flagella for?
A
to sense sunlight
B
to make food by photosynthesis
C
for movement
D
to control the cell
15) Which organelle is used to transfer energy and can be found in plant and animal cells?
A
chloroplast
B
nucleus
C
mitochondria
D
vacuole
16) The cell membrane is unable to work properly. How could this affect plant and animal cells?
A
It could affect their ability to absorb sunlight.
B
It could affect their ability to store water.
C
It could affect their ability to make proteins.
D
It could affect their ability to remove waste.
17) Which best summarizes organ systems?
A
a group of tissues working together to perform a certain job
B
a group of organelles working together to perform a certain job
C
a group of cells working together to perform a certain job
D
a group of organs working together to perform a certain job
18) What function summarizes the excretory system?
A
It collects oxygen
B
It attacks diseases
C
It removes waste
D
It delivers nutrients
19) How do the respiratory and circulatory systems work together?
A
The circulatory system takes in carbon dioxide, while the respiratory system delivers carbon dioxide to the cells.
B
The respiratory system takes in oxygen, while the circulatory system delivers oxygen to the cells.
C
The circulatory system takes in oxygen, while the respiratory system delivers oxygen to the cells.
D
The respiratory system takes in carbon dioxide, while the circulatory system delivers carbon dioxide to the cells.
20) A scientist noticed that all of the offspring of the yeast fungus are identical to the parent. However, the offspring of a cat all look different. What most likely caused this to occur?
A
Both yeast and the cat produced offspring through sexual reproduction.
B
Yeast produced offspring through asexual reproduction, while the cat produced offspring through sexual reproduction.
C
Both yeast and the cat produced offspring through asexual reproduction.
D
Yeast produced offspring through sexual reproduction, while the cat produced offspring through asexual reproduction.
*select an answer for all questions
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