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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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5. Test

Arizona ACT Science Grade 11 Practice Questions

A 10-question Arizona ACT Science Grade 11 practice set on earth and environmental 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 mainly causes day and night on Earth?

Please select an answer first.

Correct answer: A

The correct answer is Earth rotates on its axis.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Rotation causes different parts of Earth to face toward or away from the Sun.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Rotation causes different parts of Earth to face toward or away from the Sun.

2. QuestionMultiple choice

Which process moves water from plant leaves into the atmosphere?

Please select an answer first.

Correct answer: B

The correct answer is Transpiration.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Transpiration is the release of water vapor from plant leaves.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Transpiration is the release of water vapor from plant leaves.

3. QuestionMultiple choice

What is a likely result of increased greenhouse gas concentration?

Please select an answer first.

Correct answer: C

The correct answer is More heat is retained in the lower atmosphere.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Greenhouse gases absorb and re-emit infrared energy, contributing to warming.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Greenhouse gases absorb and re-emit infrared energy, contributing to warming.

4. QuestionMultiple choice

Which evidence best supports the claim that a region is becoming warmer over time?

Please select an answer first.

Correct answer: D

The correct answer is The long-term average temperature increases across multiple decades.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: A long-term trend is stronger evidence than a single event.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

A long-term trend is stronger evidence than a single event.

5. QuestionMultiple choice

What commonly forms where two tectonic plates move apart?

Please select an answer first.

Correct answer: A

The correct answer is New crust at a spreading boundary.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Divergent boundaries allow magma to rise and create new crust.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Divergent boundaries allow magma to rise and create new crust.

6. QuestionMultiple choice

Which energy source is renewable on a human time scale?

Please select an answer first.

Correct answer: B

The correct answer is Solar energy.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Sunlight is continually supplied, while fossil fuels form over much longer periods.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Sunlight is continually supplied, while fossil fuels form over much longer periods.

7. QuestionMultiple choice

Why can wetlands reduce flooding after heavy rain?

Please select an answer first.

Correct answer: C

The correct answer is They store water and release it more slowly.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Wetlands absorb and hold water, reducing rapid downstream flow.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Wetlands absorb and hold water, reducing rapid downstream flow.

8. QuestionMultiple choice

What is the main process by which sediment is carried away by moving water?

Please select an answer first.

Correct answer: D

The correct answer is Erosion.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Erosion is the transport of rock or soil by water, wind, ice, or gravity.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Erosion is the transport of rock or soil by water, wind, ice, or gravity.

9. QuestionMultiple choice

Which observation best indicates that a rock formed from cooled magma?

Please select an answer first.

Correct answer: A

The correct answer is The rock contains interlocking mineral crystals.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Cooling magma or lava can form interlocking crystals in igneous rock.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Cooling magma or lava can form interlocking crystals in igneous rock.

10. QuestionMultiple choice

A drought reduces plant growth across a watershed. What is a likely downstream effect?

Please select an answer first.

Correct answer: B

The correct answer is Less water may enter streams through runoff and groundwater recharge.

  1. Identify the evidence: Determine which observation, variable, graph, or scientific principle is relevant to the question.
  2. Apply the science skill: Reduced precipitation and plant activity can lower water movement into the watershed.
  3. Check the conclusion: Make sure the answer is supported by the data or conditions provided rather than by an unsupported assumption.

Reduced precipitation and plant activity can lower water movement into the watershed.

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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.