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WorksheetsACT Graph Prep 3
Total questions: 45
Worksheet time: 1hrs 17mins
Which data below matches the data presented in the graph?
Jan 4 cm
Mar 5 cm
May 14 cm
Jan 4 cm
Mar 5 cm
May 13 cm
Jan 5 cm
Mar 6 cm
May 14 cm
Jan 4 cm
Mar 5 cm
May 5 cm
Examine the line graph below. If the population of Centerville continues to increase at the same rate, what will the population be in the year 2010?
16,000 people
6500 people
9500 people
8000 people
Joseph counted all of the different trees in the woods near his house. He made a graph showing his results. Which of the following conclusions can Joseph draw from his graph?
There are more elms than oaks in the woods near his house.
Cedars are the tallest trees in the woods near his house.
There are 95 trees in the woods near his house.
Maple trees are not able to grow in the woods near his house.
It is important to share data from scientific experiments with others. Which of the following methods is a valid way to present collected data?
There is no need to present scientific data
Record the data in a private lab journal.
Publish the data in an academic journal
Give a speech about the data if the data supports the original hypothesis
Examine the graph. What variable is the independent variable?
month
rainfall in centimeters
both
Examine the graph. Which variable is the dependent variable?
population (in thousands)
year
According to the bar graph which breed of dog is there more of in this kennel?
beagle
collie
poodle
bulldog
How are scientific evidence and scientific conclusions related?
Scientific evidence and scientific conclusions are the same thing.
Scientific evidence is based on scientific conclusions.
Scientific conclusion must be made before examining scientific evidence.
Scientific conclusions are based on scientific evidence.
Algae multiply most rapidly at 35oC.
Algae multiply most slowly at 20oC.
Algae multiply most rapidly at 20oC.
Algae multiply most slowly at 10oC.
The bacteria will be completely killed off if the antibiotics dosage is increased.
The patient should have not taken the antibiotics again after day 5.
The patient has become immune to the bacteria by day 10.
The bacteria developed resistance to the antibiotics.
Experiment: How does the flavor of ice cream affect the speed of melting?
The flavor of ice cream is the ___________ variable.
independent
dependent
Experiment: Does changing the wing shape to make it more narrow affect the distance a paper airplane will fly?
The wing shape is the ___________ variable.
independent
dependent
The students grades are the ___________ variable.
The growth height is the ____________ variable.
The heart rate is the ________________ variable.
A student wants to test how different amounts of UV light affect the growth of the bacteria, Staphylococcus aureus. She wants to grow the bacteria in petri dishes for her experiment. Which of the following variables should NOT be held constant in this experiment?
amount of UV light bacteria is exposed to
amount of time to grow bacteria
location of petri dishes while growing bacteria
type of bacteria (Staphylococcus aureus)
A student performed an experiment that tested how many days it takes different types of grass seed to grow to a height of two inches. Four types of grass seed were tested, and the student recorded the number of days for each type to grow. Use this information to answer the next question.
What should be held constant in this experiment?
amount of sunlight, amount of water, and type of soil
amount of sunlight
amount of water and type of soil
amount of water
A student is studying the effect of sunlight on plants. The student developed this hypothesis: Plants need light to make food and to grow properly. To conduct a controlled experiment, which method should she use?
Choose two identical plants; put one in the dark and one near sunlight; use the same amount of water; water both regularly
Choose a healthy plant; put it in a dark place; use clean water; water the plant regularly.
Choose two identical plants; put each in the dark for 12 hours and then light for 12 hours; use the same amount of water; water both regularly.
Choose three identical plants; put one in the dark, one near sunlight, and one in the shade, water only the plant in light.
Which of the following is NOT a testable question?
How do rockets work?
Does fertilizer help plants grow bigger?
Does heart rate increase with exercise?
Does the freezing point of water change at different elevations?
What was the dependent variable?
At what time is the rocket the highest according to the graph?
60 seconds
80 seconds
100 seconds
120 seconds
Where is the average rate of change the largest?
Between 0 and 20 seconds
Between 20 and 40 seconds
Between 40 and 60 seconds
Between 100 and 120 seconds
Which person is running the fastest?
A
B
C
Impossible to determine
At what distance does the motorcycle pass the car?
10 m.
30 m.
50 m.
70 m.
1. Stays the same.
5. quickly decreases at a CONSTANT rate.
D
A
F
B
The object is returning to its starting speed.
Look at the line graph. What do the numbers on the left side of the graph represent?
The number of people aged 65 or older in millions.
The number of people aged 65 or under in millions.
The number of people aged 65 or older as a percentage.
The number of people aged 65 or under as a percentage.
Look at the line graph. Which is the best description for the line representing country A?
The population increased steadily then declined.
The population remained steady then increased slightly.
The population remained steady then increased dramatically.
Look at the line graph. What was the population of country B in 2000?
38 million
500, 000
25 million
Look at the line graph. What will the population of country A be in 2050?
2%
2 million
2.8 million
Look at the line graph. Which country does the following statement best describe?
"The population aged over 65 is expected to reach 20 million by the year 2100."
A
B
C
Look at the line graph. Which country does the following statement best describe?
"Overall, the population grew rapidly but is predicted to decrease."
A
B
C
Look at the line graph. Which country does the following statement best describe?
"The population will increase from approximately half a million in 2000 to two million in 2050."
A
B
C
Look at the line graph. Which country does the following statement best describe?
"The population is expected to almost double from 2000 to 2050."
A
B
C
