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WorksheetsACT Science
Total questions: 34
Worksheet time: 2hrs 16mins
Name
Class
Date
1.
What is the benchmark for Science?
a)
22
b)
23
c)
24
d)
21
2.
What does it mean to be “college ready” according to ACT?
a)
scores of 24 or higher on all subtests
b)
having a high school GPA of 3.0 or better
c)
able to gain acceptance to a four-year university
d)
capable of earning C or better in first-year college courses
3.
Which of the following graphs best illustrates the relationship between the heat released by the foods listed in Table 1 and the change in water temperature?
a)
A
b)
B
c)
C
d)
D
4.
According to Tables 1 and 2, as the mass of successive sucrose samples increased, the change in the water temperature produced when the sample was burned most likely:
a)
Increased only
b)
Decreased only
c)
Increased, then decreased
d)
Stays the same
5.
Based on the data in Table 2, one can conclude that when the mass of sucrose is decreased by one-half, the amount of heat released when it is burned in a bomb calorimeter will:
a)
Increase by one-half
b)
Decrease by one-half
c)
Increase by one-fourth
d)
Decrease by one-fourth
6.
Which of the following lists the foods from Tables 1 and 2 in increasing order of the amount of heat released per gram of food?
a)
Potato, egg, bread, sucrose, cheese
b)
Sucrose, cheese, bread, egg, potato
c)
Bread, cheese, egg, potato, sucrose
d)
Sucrose, potato, egg, bread, cheese
7.
Based on the information in Tables 1 and 2, the heat released from the burning of 5.0 g of potato in a bomb calorimeter would be closest to which of the following?
a)
5 kJ
b)
10 kJ
c)
15 kJ
d)
20 kJ
8.
In Experiment 1, the time constant of the circuit was the time required for the voltage across the capacitor to reach approximately 7.6 V. The time constant of the circuit used in Experiment 1 was:
a)
Less than 12 sec
b)
Between 12 sec and 24 sec
c)
Between 24 sec and 36 sec
d)
Greater than 36 sec
9.
If, in Experiment 2, a 1.5 × 10–6 F capacitor had been used, the time required for the voltage across the capacitor to reach 6 V would have been closest to:
a)
4.2 sec
b)
7.0 sec
c)
10.5 sec
d)
15.0 sec
10.
The main purpose of Experiment 3 was to determine how varying the:
a)
battery’s voltage affected the resistor’s resistance at a given time.
b)
capacitor’s capacitance affected the time required for the voltage across the capacitor to reach a set value.
c)
. capacitor’s capacitance affected the voltage across the battery at a given time.
d)
resistor’s resistance affected the time required for the voltage across the capacitor to reach a set value.
11.
Consider a circuit like that shown in Figure 1. Based on Experiments 2 and 3, the voltage across the capacitor will reach a given value in the shortest amount of time if the circuit contains which of the following capacitances and resistances, respectively
a)
0.1 × 10–6 F, 0.3 × 107 Ω
b)
0.1 × 10–6 F, 1.0 × 107 Ω
c)
1.2 × 10–6 F, 0.3 × 107 Ω
d)
1.2 × 10–6 F, 1.0 × 107 Ω
12.
Consider the following hypothesis: In a circuit arranged as in Figure 1 containing a battery, a capacitor, and a constant resistance, as capacitance increases, the time required to reach a given voltage across the capacitor increases. Do the experiments support this hypothesis?
a)
Yes; in Experiment 1, as capacitance increased, the time required to reach a given voltage increased.
b)
Yes; in Experiment 2, as capacitance increased, the time required to reach a given voltage increased.
c)
. No; in Experiment 1, as capacitance increased, the time required to reach a given voltage decreased.
d)
. No; in Experiment 2, as capacitance increased, the time required to reach a given voltage decreased.
13.
A student wants to test the effects of type of exercise on heart rate. What is the independent variable?
a)
type of exercise
b)
heart rate
c)
amount of time exercise occurs
d)
gender of person that exercises
14.
A student wants to test the effects of type of exercise on heart rate. What would be a proper hypothesis?
a)
If type of exercise affects the heart rate of a person, then jumping jacks will increase the heart rate the most
b)
Jumping jacks will cause the highest heart rate
c)
Exercise increases heart rate
d)
If exercise affects heart rate, jumping jacks will increase heart rate the most
15.
A student wants to test the effects of type of exercise on heart rate. What would be a good experimental group?
a)
jumping jacks, push-ups, sit-ups, jogging in place, lunges
b)
standing heart rate
16.
On which axis would you place the independent variable?
a)
X
b)
Y
c)
Z
17.
On which axis would you place the dependent variable?
a)
X
b)
Y
c)
Z
18.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
19.
What graph would you use if there are percentages involved?
a)
Pie chart
b)
Bar graph
c)
Line graph
d)
Data table
20.
What is a line graph used for?
a)
Recording something over time
b)
Percentages
21.
What are the two types of observation?
a)
Seeing, hearing, smelling, tasting, and touching
b)
Words and numbers
c)
Quality and quanted
d)
Quantitative and qualitative
22.
Qualitative or Quantitative:
The cat has orange fur on his ears.
The cat has orange fur on his ears.
a)
Qualitative
b)
Quantitative
23.
When scientists collect data that is measurable with numbers, we call it...
a)
qualitative
b)
quantitative
c)
hypothetical
d)
graphable
24.
What is the correct order of scientific method
a)
First test your question see if your hypothesis is right then record everything
b)
ask a question
state a hypothisies
conduct a expieriment analyze the reasults
make a conclusion
state a hypothisies
conduct a expieriment analyze the reasults
make a conclusion
c)
State a hypoyhisies ask a question conduct a expiement analyze reasults make a conclusion
25.
Based on Figure 1, to measure the voltage across the resistor only, which of the following circuits should one use?
a)
A
b)
B
c)
C
d)
D
26.
Based on the information presented, if the transfer of linear copy was interrupted 50 minutes after transfer began, how many complete genes would have been transferred to the recipient bacterium?
a)
2
b)
3
c)
4
d)
5
27.
Based on the model presented by Scientist 3, if all 6 genes are replicated and the first gene replicated is Gene G, the third gene would be replicated with:
a)
Gene F.
b)
Gene A.
c)
Gene S.
d)
Gene X.
28.
Which students believe that any of the 6 genes on the plasmid can be the first gene transferred to a recipient bacterium?
a)
Students 2 and 3
b)
Students 2 and 4
c)
Students 3 and 4
d)
Students 2, 3, and 4
29.
Suppose that Student 1’s model is correct and that the transfer of genes between 2 bacteria was interrupted after 40 min. Based on the info given, which of the following genes would NOT be transferred from the donor bacterium to the recipient bacterium?
a)
Gene G
b)
Gene X
c)
Gene R
d)
Gene S
30.
Suppose that Student 2’s model is correct and that the transfer of genes between 2 bacteria was interrupted after 30 min. Based on the info given, which of the following genes would NOT be transferred from the donor bacterium to the recipient bacterium?
a)
Gene A
b)
Gene R
c)
Gene G
d)
Gene X
31.
Suppose that all 6 genes are transferred from a donor bacterium to a recipient bacterium. Under this condition, which student(s) would aregue that Gene A could be the last gene transferred?
a)
Student 2 only
b)
Student 4 only
c)
Students 2 and 4 only
d)
Students 3 and 4 only
32.
Suppose the transfer of genes between two bacteria was interrupted, that the last gene transferred was Gene A, and that no incomplete copies of a gene were transferred. Based on this information, Student 1 would say that the transfer was most likely interrupted how many minutes after the transfer began?
a)
15
b)
30
c)
45
d)
60
33.
A student wants to test the effects of type of exercise on heart rate. What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
34.
This graph is a bar graph.
a)
True
b)
False
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