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WorksheetsGPS CMT Part 1, 2017
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
The force that is responsible for keeping the planets in orbit around the Sun is
a)
magnetism
b)
inertia
c)
friction
d)
gravity
2.
How does salt (sodium chloride) differ from the elements (sodium and chlorine) from which it is made?
a)
Salt is a harmless solid, chlorine is a common beverage.
b)
Salt dissolves in water; sodium is highly reactive in water
c)
Salt is a non-metal; chlorine and sodium are BOTH metals.
d)
At room temperature chlorine is a solid and salt is a liquid
3.
Great horned owls are powerful birds of prey. They are night hunters, and they eat rodents, squirrels, rabbits, skunks, raccoons, ducks, chickens (and other birds), snakes, toads, fish, and occasionally road-killed animals. They have even been known to eat cats and small dogs.
If all of the raccoons disappeared from the great horned owl’s food web, what effect would this most likely have on the great horned owl?
If all of the raccoons disappeared from the great horned owl’s food web, what effect would this most likely have on the great horned owl?
a)
This would have a negative effect, and the great horned owl would become extinct
b)
This would have little effect because the great horned owl has a huge variety of food sources.
c)
This would have a positive effect and cause the great horned owl population to reach a natural balance with its environment
d)
This would have a negative effect because raccoons are an important food source for other animals in the ecosystem as well.
4.
Sewage is a dangerous water pollutant because it
a)
adds disinfectants to the water.
b)
blocks light and prevents algae and plants from growing
c)
lowers water temperature
d)
contains disease causing organisms that can make people ill.
5.
The diagram shows the movement of two air masses. What will most likely be the outcome when the cold (polar) air mass from Canada and the warm, moist (tropical) air from the Gulf of Mexico meet in Connecticut?
a)
Precipitation
b)
Sunshine
c)
Hurricane
d)
Smog
6.
The diagram at the right shows high and low pressure air masses near a shoreline. In what direction will the breeze blow during this hot summer day at the beach?
a)
From land to sea
b)
From sea to land
c)
Up towards the Sun
d)
There will be no breeze
7.
In which of the following examples is work being done?
a)
Lifting your backpack from the floor
b)
Holding your backpack motionless
c)
Sitting still in your chair during science class
d)
Gliding at a steady velocity across the ice while skating
8.
When all the forces acting on an object are balanced (equilibrium), the speed of the object
a)
must decrease.
b)
must increase.
c)
must remain the same
d)
must be zero
9.
The human heart directly performs which of the following functions?
a)
Adds oxygen to the blood
b)
Removes carbon dioxide from the blood
c)
Pumps the blood
d)
Adds nutrients to the blood
10.
The diagrams represent the cross sections of two regions of rock layers that were altered thousands of years ago.
The rock in both layers originally formed as
The rock in both layers originally formed as
a)
horizontal layers of rock.
b)
faulted layers of rock
c)
folded layers of rock
d)
layers of metamorphic rock.
11.
The graph shows information about the motion of a car. What is the car’s average speed during the first 4 hours of travel?
a)
10 kilometers per hour
b)
15 kilometers per hour
c)
30 kilometers per hour
d)
60 kilometers per hour
12.
What is the purpose of food preservation?
a)
Heating and pressurizing food into air tight cans to kill microorganisms.
b)
Exposing food to radiation which kills microorganisms.
c)
The addition of chemical preservatives to food to prevent spoilage by killing or stopping the reproduction of microorganisms.
d)
The treatment and storage of food for future consumption.
13.
Two cells in humans, one formed inside males and one formed inside females, come together to produce a growing fetus. These cells are called
a)
meiosis and mitosis
b)
sperm and egg.
c)
testes and ovaries.
d)
haploid and zygote
14.
The map shows geologically active regions of Earth. Dark dots indicate the positions of volcanoes, and dark lines indicate tectonic plate boundaries of Earth’s crust. The “Ring of Fire” is located in the Pacific Ocean region. According to the map, where are volcanoes most likely to form in the “Ring of Fire”?
a)
In the middle of tectonic plates.
b)
Below the surface of tectonic plates
c)
Where earthquakes are least likely to occur.
d)
Near the edges of tectonic plates.
15.
Which of these characteristics help plant species to survive in an area with limited sunlight?
a)
Bright flowers
b)
Large leaves
c)
Short stems
d)
Thick roots
16.
A team of students designs an experiment to determine the percolation rate of water through different types of soils. Which of the following would most likely be a step in their procedure?
a)
Pour varying amounts of water into the the top soil containers.
b)
Measure the weights of the soils before and after the water is poured
into them.
into them.
c)
Pour equal amounts of water into the containers holding the different types of soils
d)
Measure the time for the soil to sink to the bottom of the water.
17.
Which of the following questions is a testable question?
a)
Do bowling balls fall faster than tennis balls?
b)
Which color is the best?
c)
What would our lives be like if the Earth took only 6 hours to rotate?
d)
Does gravity work the same way everywhere in the universe?
18.
The information below which refers to students in a science class who carried out an experiment where they placed mass (washers) inside a small plastic pill bottle and investigated its floating properties in salt water.
Group G carried out the following experiment:
1. Put 50 mL of water in a graduated cylinder.
2. Place 7 washers into a pill bottle and put the cap on the bottle. Place the pill bottle with the washers in the water and let it float. 3. Measure the change in the level of water in the graduated cylinder
4. Repeat steps 1 – 3, but add salt to the water in the graduated cylinder.
Which of the following is the best statement of the problem that Group G is investigating?
Group G carried out the following experiment:
1. Put 50 mL of water in a graduated cylinder.
2. Place 7 washers into a pill bottle and put the cap on the bottle. Place the pill bottle with the washers in the water and let it float. 3. Measure the change in the level of water in the graduated cylinder
4. Repeat steps 1 – 3, but add salt to the water in the graduated cylinder.
Which of the following is the best statement of the problem that Group G is investigating?
a)
What is the effect of the amount of salt on the salinity of a sample of water?
b)
What is the effect of the mass of the washers on the amount of water displaced?
c)
What is the effect of the mass of the washers on the amount of salt in the water?
d)
What is the effect of the amount of salt in the water on the amount of water displaced?
19.
The information below which refers to students in a science class who carried out an experiment where they placed mass (washers) inside a small plastic pill bottle and investigated its floating properties in salt water.
Group G carried out the following experiment:
1. Put 50 mL of water in a graduated cylinder.
2. Place 7 washers into a pill bottle and put the cap on the bottle. Place the pill bottle with the washers in the water and let it float. 3. Measure the change in the level of water in the graduated cylinder
4. Repeat steps 1 – 3, but add salt to the water in the graduated cylinder. Given the results of Group G’s experiment,
How much salt is in 50 mL of the water sample with the unknown salinity?
Group G carried out the following experiment:
1. Put 50 mL of water in a graduated cylinder.
2. Place 7 washers into a pill bottle and put the cap on the bottle. Place the pill bottle with the washers in the water and let it float. 3. Measure the change in the level of water in the graduated cylinder
4. Repeat steps 1 – 3, but add salt to the water in the graduated cylinder. Given the results of Group G’s experiment,
How much salt is in 50 mL of the water sample with the unknown salinity?
a)
Less than 5 grams
b)
Between 5 and 10 grams
c)
Between 10 and 15 grams
d)
More than 15 grams
20.
When conducting experiments in the lab, the unit for the volume of water in a container is
a)
grams
b)
milliliters
c)
pounds
d)
meters
21.
When doing an experiment, Stefanie found that bacteria growing on a piece of bread did not grow next to an area where mold that was growing on the same piece of bread. She wrote in her laboratory report: “If I put bacteria next to mold, the bacteria will die because the mold produces a substance that kills bacteria.” She then designed an experiment to find out. Her statement about the bacteria and mold can be best described as
a)
an observation
b)
a hypothesis
c)
data
d)
a conclusion
22.
Which of the four objects listed in the table below has the greatest density?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
23.
A team of students conducted an experiment to find out how the size of a parachute connected to a block affects the time it takes to fall. In each trial the same 50 g block of wood is attached to the parachute being tested. The block is timed as it falls from a height of 2.5 m until it hits the floor. What is the independent variable in their experiment?
a)
The height from which the parachute was dropped.
b)
The size of the 50 g block of wood attached to the parachute.
c)
The time it takes the 50 g block of wood to fall to the floor.
d)
The size of the different parachutes.
24.
Which of the following is the appropriate relationship between the two variables shown on the graph?
a)
Time is dependent upon distance
b)
Distance is dependent upon time
c)
Distance is not dependent upon time
d)
Distance is dependent upon mass
25.
McKenzie exercises vigorously every day. The graph below shows McKenzie’s heart rate measured from noon until 12:10 pm on a particular day.
Based on the graph, which of the following choices can you conclude most likely occurred with McKenzie?
Based on the graph, which of the following choices can you conclude most likely occurred with McKenzie?
a)
McKenzie stopped vigorous exercise at noon and sat in a chair
b)
McKenzie got out of a chair at noon and started exercising.
c)
McKenzie has not exercised on this day.
d)
McKenzie exercised steadily from noon to 12:10.
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