Science
A scientist measures the growth of bacteria in a petri dish over five hours & records the following data:
Hour 1: 5 bacterial colonies
Hour 2: 15 bacterial colonies
Hour 3: 40 bacterial colonies
Hour 4: 100 bacterial colonies
Hour 5: 250 bacterial colonies
Based on this data, which conclusion is best supported?
a) Bacteria growth was constant throughout the experiment.
b) Bacteria growth increased exponentially over time.
c) The bacteria population declined after hour 3.
d) The bacteria stopped growing after hour 4.
What is b) Bacteria growth increased exponentially over time?
What is the value of 5+3(4-2)?
a) 10
b) 11
c) 12
d) 13
e) 14
What is b) 11
Choose the correct verb form for the sentence below:
Each of the students __________ excited about the upcoming field trip.
a) was
b) were
c) have been
d) are
What is a) was
This should be done when the instructor announces the five minute warning during all four examinations.
a) Continue to work on the question you are currently on.
b) Randomly select answer choices
c) Fill in the ovals of the same letter for the remaining unanswered questions.
d) Jump to the last question and try to reach the last answer choice you had just finished.
What is c) Fill in the ovals of the same letter for the remaining unanswered questions.
What famous sequence, starting with 1, 1, 2, 3, 5, 8, appears frequently in nature, such as in pinecones, flower petals, galaxies, and embryos?
What is the Fibonacci Sequence?
A scientist tests how the pH of water affects the rusting of iron nails. To ensure a fair experiment, which variable must remain constant throughout all trials?
a) The amount of water in each test
b) The type of metal used
c) The temperature of the environment
d) All of the above
What is d) all of the above?
Solve for x in the following equation:
3x - 7 = 2x + 5
a) 5
b) 6
c) 7
d) 10
e) 12
What is e) 12?
Choose the sentence that has the correct punctuation.
a)The novel, which was written in the early 1900s is still considered a literary masterpiece.
b) The novel which was written in the early 1900s, is still considered a literary masterpiece.
c) The novel, which was written in the early 1900s, is still considered a literary masterpiece.
d) The novel which, was written in the early 1900s, is still considered a literary masterpiece.
What is c) The novel, which was written in the early 1900s, is still considered a literary masterpiece.
On the ACT English Test, what is the best way to choose between multiple answer choices that express the same idea?
a) Pick the longest and most detailed option.
b) Choose the option that is the most concise.
c) Select the option with the most punctuation.
d) Choose the answer that sounds the most complex.
What is b) Choose the option that is the most concise.
What is the ONLY continent that has no naturally occurring bees?
What is Antarctica?
A student records the speed of a rolling ball at different time intervals
0 seconds: 0 m/s
1 second: 2 m/s
2 seconds: 4 m/s
3 seconds: 6 m/s
4 seconds: 8 m/s
Based on the pattern, what is the most likely speed of the ball at 6 seconds?
a) 10 m/s
b) 11 m/s
c) 12 m/s
d) 14 m/s
What is c) 12 m/s
A right triangle has legs of lengths 6 and 8. What is the length of the hypotenuse?
a) 10
b) 12
c) 14
d) 8
e) 9
What is a) 10?
Which option correctly completes the following sentence:
"The scientist's discovery had a profound _________ on the field of medicine."
a) affect
b) effect
c) impact
d) consequence
What is b) effect
When solving an algebraic equation with variables, what is a useful strategy if you're struggling to find the answer?
a) Skip the equation, as algebra is always very difficult to solve.
b) Always choose the largest number as the correct answer.
c) Rewrite the equation into a word problem.
d) Plug in real numbers to replace the variable and test the answer choices.
What is d) Plug in real numbers to replace the variable and test the answer choices.
What is the only sport to have been played on the moon?
What is golf?
A scientist observes a lake where the population of fish is decreasing while the population of algae is increasing. Based on this trend, what is the most likely long-term outcome if this pattern continues?
a) The algae will continue to growing until they use up essential resources, harming the ecosystem.
b) The fish will start eating the algae, balancing the ecosystem.
c) The fish will adapt instantly to avoid the environmental changes.
d) The ecosystem will remain unaffected by these population changes.
What is a) The algae will continue to growing until they use up essential resources, harming the ecosystem.
If f(x) = 2x2 - 3x + 4, what is f(3)?
a) 11
b) 12
c) 13
d) 9
e) 8
What is c) 13?
Which version of the sentence below is the most concise and grammatically correct?
"The manager, who was in charge of the store, which was the busiest in the city, had a difficult time keeping track of inventory."
a) The manager, who was in charge of the store, the busiest in the city, had a difficult time keeping track of inventory.
b) The manager of the busiest store in the city had a difficult time keeping track of inventory.
c) The manager, who oversaw the city's busiest store, had difficulty in keeping track of inventory.
d) The store's manager, the busiest in the city, had difficulty keeping track of inventory.
What is b) The manager of the busiest store in the city had a difficult time keeping track of inventory.
What is the most efficient way to approach an ACT Reading passage?
a) Read the passage thoroughly before looking at the questions.
b) Skim the passage first, then read the questions and look for specific answers.
c) Read the question first, then read the entire passage in detail.
d) Skip to the last paragraph before reading anything else.
What is b) Skim the passage first, then read the questions and look for specific answers.
What metal is a liquid at room temperature and was historically used in thermometers?
What is Mercury (Hg)?
A new predator is introduced into an ecosystem, causing a significant decline in a prey species. Over time, scientists observe the following changes:
- A decrease in the predator population
- An increase in plant growth
- A decline in other competing prey species
Based on these observations, which of the following is the least likely long-term consequence?
a) The predator population will stabilize at a lower number as the ecosystem reaches a new balance
b) The prey population will recover and return to its original size.
c) Other species in the ecosystem may continue to be indirectly affected due to changes in food availability.
d) The increase in plant growth may cause further changes in the types of animals that thrive in the ecosystem.
What is b) The prey population will recover and return to its original size
If 3x= 81, what is the value of x?
a) 1
b) 2
c) 3
d) 4
e) 5
What is d) 4?
The following sentences appear in a paragraph. Which transition word or phrase best connects them?
(1) Many people believe that reading before bed helps improve sleep quality.
(2)_____________, studies show that exposure to bright screens before bedtime can disrupt sleep patterns.
a) Furthermore
b) As a result
c) For instance
d) In contrast
What is d) In contrast
A student analyzes an ACT Science passage with three graphs:
1. Oxygen levels decrease as temperature increases.
2. Oxygen levels fluctuate based on time of day.
3. Oxygen levels are higher in shallow water than in deep water.
If asked how temperature and depth affect oxygen levels, the student should use which approach?
a) Focus only on the graph about temperature.
b) Compare patterns in both the temperature and depth graphs.
c) Rely on background knowledge instead of the graphs.
d) Use the passage's explanation instead of analyzing data.
What is b) Compare patterns in both the temperature and depth graphs.
Who was the first U.S. President to live in the White House?
Who is John Adams?