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WorksheetsGPS CMT PART 2, 2017
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
Household appliances convert electricity into one or more different forms of energy. An electric fan can best be described as converting electricity into
a)
heat energy and sound energy only
b)
sound energy and mechanical energy only.
c)
chemical energy and mechanical energy only.
d)
heat energy, sound energy, and mechanical energy.
2.
A person wants to lift a heavy rock with a lever. In the diagram below, which location of the fulcrum will provide the greatest mechanical advantage when lifting the boulder?
a)
A
b)
B
c)
C
d)
D
3.
Richard and Jennifer were using a microscope to look at a slide of some cells. How did they know they were looking at plant cells?
a)
They observed the structure of the cytoplasm
b)
They observed the existence of a cell membrane.
c)
They observed the existence of a cell wall.
d)
They observed the existence of cell nuclei.
4.
The diagram shows some muscles and bones in a person’s right arm.Which structure in the upper arm is responsible for raising the lower arm?
a)
Structure 1
b)
Structure 2
c)
Structure 3
d)
Structure 4
5.
A child is on a Ferris wheel that is turning at a constant speed. The child is accelerating because the child is
a)
moving relative to the ground.
b)
not changing speed.
c)
moving relative to the Sun.
d)
changing the direction of motion.
6.
The diagram shows the orbit of the Moon around the Earth, and sunlight streaming in from the right. Between which two points on the diagram above will the moon appear to change from a new moon to a first quarter moon?
a)
Point Q to point R
b)
Point R to point S
c)
Point T to point Q
d)
Point S to point T
7.
In order for an organism to grow larger, which must occur?
a)
The organism’s cells get bigger.
b)
The organism gets more cells from the food it eats.
c)
The organism’s cells divide, producing more cells.
d)
The organism’s cellular respiration occurs.
8.
An arch bridge supports weight by
a)
compression forces
b)
tension forces
c)
gravity forces
d)
friction forces
9.
People often conduct research about scientific claims using the Internet. Which of the following is the most important to check into when determining the credibility of the website and information source?
a)
The reputation and experience of the author(s) of the website’s information
b)
The year the website was created
c)
The number and clarity of the pictures posted on the website
d)
That the website’s Internet address ends in “.com
10.
What is the volume of the liquid in the graduated cylinder shown ?
a)
40.0 mL
b)
42.0mL
c)
43.0 mL
d)
44.0 mL
11.
All of the following except for one are necessary for an experiment to be valid. Which of the following is NOT necessary in a valid experiment?
a)
All conditions are kept constant except the independent and dependent variables
b)
Multiple trials are conducted
c)
Measurements are taken with appropriate accuracy and precision
d)
The conclusion must agree with the hypothesis
12.
Which of the following is most consistent with the modern theory of evolution of life on Earth?
a)
Living organisms have not changed for millions of years.
b)
Life on Earth came from another planet far out in space.
c)
Parents change their physical traits in order to survive in the environment. Those physical traits are then passed from parents to their offspring
d)
Mutations sometimes cause offspring to have different traits. Organisms with traits that help them survive are better able to reproduce.
13.
In order to separate a mixture of sand and gravel, which property would be the MOST important to use?
a)
particle size
b)
density
c)
boiling point
d)
solubility
14.
Which of these examples helps reduce water consumption AND pollution?
a)
Factories making printing inks with water instead of chemical solvents
b)
Farmers using harsher pesticides on farm fields
c)
Factories reusing cooling water instead of returning it to a river
d)
Farmers planting fields of coarse grass that filter out pollutants
15.
The diagram shows one possible food web for a lake ecosystem. A decrease in salmon and trout population due to fishing by humans in recent years has most likely resulted in
a)
greater plant productivity.
b)
an increase in the life espectancy of ducks
c)
increased tourism on the lake
d)
a reduced food supply for eagles
16.
A small, fast-moving river is in a V-shaped valley on the slope of a mountain. If you follow the river to where it passes through a plain, the river will be
a)
the same speed, width, and deepness.
b)
deeper and faster.
c)
wider and slower.
d)
narrower and slower
17.
How does photosynthesis benefit animals?
a)
It adds carbon dioxide to air.
b)
It produces foods that animals can eat.
c)
It eliminates harmful sugars from the environment.
d)
It cleans polluted waters
18.
When conducting an experiment the factor that varies as a result of another factor being changed on purpose is called the
a)
control.
b)
independent variable.
c)
dependent variable
d)
hypothesis
19.
Which set of equipment would be used to most easily measure the boiling point of a liquid?
a)
Balance, thermometer, and stopwatch
b)
Test tube, hot plate, and balance
c)
Stopwatch, test tube, and microscope
d)
Beaker, hot plate, and thermometer
20.
The diagram show nine different trials Derek carried out using carts with wheels of two different masses and different numbers of blocks of equal mass. He started the carts as shown in the diagram. 20. Derek wants to test this idea: The higher the ramp is placed, the faster the cart will travel at the bottom of the ramp. Which three trials should he compare?
a)
Trials G, H, and I
b)
Trials I, V, and X
c)
Trials U, W, and X
d)
Trials H, V, and Y
21.
Two open bottles, one filled with vinegar and the other with water, were left on a window sill in direct sunlight. Several days later it was observed that the bottles were no longer full. What can be concluded from this observation?
a)
Water evaporates faster than vinegar.
b)
Both vinegar and water evaporate
c)
Only liquids containing water evaporate.
d)
Direct sunlight is needed for evaporation.
22.
A team of students conducted an experiment to determine how different types of soils affect the amount of water absorbed when water is poured through them. The independent variable in this experiment was most likely
a)
The volume of water poured into each container.
b)
The volume of water that percolates through the soils.
c)
The amount of soil originally placed into each container.
d)
The different types of soils placed into the containers.
23.
Which of the diagrams best represents water molecules at -10° Celsius?
a)
diagram 1
b)
diagram 2
c)
diagram 3
d)
all of them
24.
Filtration using the equipment shown in the diagram at the right can be used to most easily separate which materials?
a)
A mixture of salt and pepper.
b)
A. A mixture of pepper and water.
c)
A. A mixture of oxygen and water.
d)
A. A solution of sugar and water.
25.
At room temperature the elements oxygen and helium are
a)
liquids
b)
solids
c)
gases
d)
plasmas
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