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US College ACT Science Test 2

College Entrance » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content
College Entrance — Test 2 (Act Science) High School (Grades 11-12, College Entrance, USA) USA College Board (SAT/ACT/AP) — USA
What is this test? for College Entrance prep (SAT/ACT/PSAT/AP), USA — high school to college transition — High School (Grades 11-12, College Entrance, USA) level, USA.
Is this for you? For High School students (grades 11-12) preparing for SAT, ACT, PSAT or AP in the USA
Section: College Entrance — Test 2 (Act Science) · Education: High School (College Prep) · Part: College Entrance — Test 2 (Act Science) · Country: USA

A regular habit of taking practice tests makes learned information stick and is one of the most important factors directly affecting exam success.

This test will help you gauge your knowledge in your field and manage your exam prep more efficiently.

By solving this test of 20 questions, you can both test your knowledge and identify the topics you need to improve.

Question 1
What is precision?
A) Repeat closeness
B) Truth closeness
C) One measure
D) No measure
Question 2
What is the median?
A) Average
B) Middle value
C) Top value
D) No value
Question 3
What is extrapolation?
A) Between points
B) Exact measure
C) Beyond-range estimate
D) No estimate
Question 4
What is a constant?
A) Changed factor
B) Result
C) No factor
D) Unchanged factor
Question 5
What is a microscope?
A) Small viewer
B) Telescope
C) Scale
D) Ruler
Question 6
Which term means "Scientists disagree"?
A) a hypothesis
B) conflicting viewpoints
C) a control
D) a variable
Question 7
What best defines peer review?
A) Friend praise
B) No review
C) Expert checking
D) Self grade
Question 8
What best defines a variable?
A) Fixed all
B) Result
C) No factor
D) Changed factor
Question 9
What best defines the metric unit?
A) Meters grams liters
B) Inches pounds
C) No units
D) Feet gallons
Question 10
Which term means "Repeating study"?
A) a hypothesis
B) replication
C) a control
D) a variable
Question 11
What best defines the y-axis?
A) Horizontal
B) No axis
C) Vertical variable
D) Depth axis
Question 12
What best defines a chemical reaction?
A) Mixing only
B) No change
C) Heating only
D) Substance change
Question 13
What best defines photosynthesis?
A) Light to food
B) Food to light
C) Water to air
D) Soil to rock
Question 14
Which term means "Testable prediction"?
A) a control
B) a hypothesis
C) a variable
D) data
Question 15
Provide the definition of a theory:
A) Guess
B) Law
C) Tested explanation
D) Opinion
Question 16
Provide the definition of a beaker:
A) Heater
B) Scale
C) Lens
D) Liquid holder
Question 17
What best defines pH?
A) Acid base scale
B) Heat scale
C) Mass scale
D) No scale
Question 18
Which term means "Collected observations"?
A) a hypothesis
B) data
C) a control
D) a variable
Question 19
Which term means "Between-points estimate"?
A) a hypothesis
B) a control
C) interpolation
D) a variable
Question 20
Which term means "Volume measurer"?
A) a hypothesis
B) a control
C) a variable
D) a graduated cylinder

About This Test

For High School Grades 11-12 (USA, College Prep) — SAT, ACT, PSAT and 38 AP exams plus ACCUPLACER and CLEP aligned to College Board. Section: College Entrance, USA.

College Entrance USA — SAT Math/Reading-Writing, ACT English/Math/Reading/Science, PSAT, 38 AP subjects, ACCUPLACER, CLEP, placement tests. College Board–aligned, high school 11-12 focused. 8×20Q per exam, with college admissions & financial aid guidance. Timed practice, detailed answer review.

Forum for SAT/ACT tips is strictly respectful: insults/profanity → (content hidden) via automated + manual review.

Study Tips:

  • Take timed full practice
  • Drill weak AP topics
  • Review every wrong answer
  • Share strategies respectfully