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Arizona ACT · Grade 11 · Science

Arizona ACT Science Practice Test: Grade 11

Build Grade 11 Arizona ACT Science readiness with five focused 10-question practice sets covering data representation, investigation, biology, physical science, Earth science, and environmental systems.

Arizona ACT Science Grade 11 practice sets

This Arizona ACT Science Practice Test: Grade 11 page provides five short practice sets with 10 original multiple-choice questions each. The sets support supplemental review across data representation, scientific investigation, biology, physical science, Earth science, and environmental systems.

Skills covered

  • Positive and negative associations, data tables, graph trends, outliers, line graphs, optimum values, scatterplots, bar graphs, range, and consistency
  • Independent and controlled variables, repeated trials, controls, sample size, hypotheses, testable questions, baseline measurements, and reliability
  • Decomposers, cells, populations, photosynthesis, food webs, mutations, natural selection, mutualism, enzymes, and carrying capacity
  • Forces, chemical reactions, potential energy, circuits, particles, acceleration, conservation of mass, waves, pH, and thermal conductivity
  • Earth rotation, water cycle, greenhouse gases, plate boundaries, renewable energy, wetlands, erosion, rocks, and drought

How to use this page

Complete one 10-question set at a time. Identify the variables, read the data before choosing, and review the explanation for every missed or guessed answer.

This is supplemental State Test Practice, State Assessment Practice, and Standardized Test Practice. It does not replace current Arizona Department of Education or ACT guidance, official test materials, accommodations, or testing schedules.

For the broader Arizona assessment hub, visit Arizona State Assessments.

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Arizona ACT Science Grade 11 Practice Questions

A 10-question Arizona ACT Science Grade 11 practice set on physical science, with answers and explanations.

Study the data or scientific situation carefully, choose one answer, and review the explanation after responding.

10 Questions
0/10 Questions0 %
Correct 0
Incorrect 0
Unanswered 10
1. QuestionMultiple choice

What happens to the speed of an object when a net force acts in the same direction as its motion?

Please select an answer first.

Correct answer: A

The correct answer is Its speed increases.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: A net force in the direction of motion produces acceleration and increases speed.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

A net force in the direction of motion produces acceleration and increases speed.

2. QuestionMultiple choice

Which change is evidence of a chemical reaction?

Please select an answer first.

Correct answer: B

The correct answer is Formation of a new gas with different properties.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: A new substance with different properties indicates a chemical change.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

A new substance with different properties indicates a chemical change.

3. QuestionMultiple choice

What type of energy is stored in a stretched rubber band?

Please select an answer first.

Correct answer: C

The correct answer is Elastic potential energy.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: A stretched elastic object stores potential energy due to its deformation.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

A stretched elastic object stores potential energy due to its deformation.

4. QuestionMultiple choice

In a series circuit, what happens if one bulb is removed?

Please select an answer first.

Correct answer: D

The correct answer is The circuit is interrupted and the other bulb goes out.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: A series circuit has one path, so removing one component breaks the path.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

A series circuit has one path, so removing one component breaks the path.

5. QuestionMultiple choice

Which particle has a negative electric charge?

Please select an answer first.

Correct answer: A

The correct answer is Electron.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Electrons carry negative charge, while protons are positive and neutrons are neutral.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Electrons carry negative charge, while protons are positive and neutrons are neutral.

6. QuestionMultiple choice

If the same force is applied to two objects, which object has greater acceleration?

Please select an answer first.

Correct answer: B

The correct answer is The object with less mass.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: For the same force, acceleration is greater when mass is smaller.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

For the same force, acceleration is greater when mass is smaller.

7. QuestionMultiple choice

What does conservation of mass mean during a chemical reaction?

Please select an answer first.

Correct answer: C

The correct answer is The total mass of reactants equals the total mass of products in a closed system.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Atoms are rearranged, but total mass is conserved in a closed system.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Atoms are rearranged, but total mass is conserved in a closed system.

8. QuestionMultiple choice

Which wave requires a medium to travel?

Please select an answer first.

Correct answer: D

The correct answer is Sound wave.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Sound is a mechanical wave and requires matter to transmit vibrations.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Sound is a mechanical wave and requires matter to transmit vibrations.

9. QuestionMultiple choice

A substance has a pH of 3. How is it classified?

Please select an answer first.

Correct answer: A

The correct answer is Acidic.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Values below 7 on the pH scale are acidic.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Values below 7 on the pH scale are acidic.

10. QuestionMultiple choice

Why does a metal spoon feel colder than a wooden spoon in the same room?

Please select an answer first.

Correct answer: B

The correct answer is Metal transfers thermal energy from the hand more efficiently.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Metal is a better thermal conductor, so it draws heat from the hand faster.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Metal is a better thermal conductor, so it draws heat from the hand faster.

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Frequently asked questions about Arizona ACT Science Practice Test: Grade 11

Which Science skills are covered?

The page covers data representation, scientific investigation, biology, physical science, Earth science, environmental systems, variables, evidence, and conclusions.

How many questions are included?

There are five practice sets with 10 questions each, for 50 questions in total. Each set can be completed separately.

Are these official ACT questions?

No. These are original supplemental practice questions. Check the latest Arizona Department of Education and ACT information for official materials, standards, accommodations, and policies.