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Illinois State Assessments · IAR and ISA Practice

Illinois State Test Practice

Build Illinois assessment readiness with five focused 10-question practice sets covering IAR ELA, IAR math, ISA science, data, evidence, and problem solving.

Illinois State Test practice sets

This Illinois State Test Practice page provides five short practice sets with 10 original multiple-choice questions each. The sets cover IAR English Language Arts and reading, IAR mathematics, ISA science, data and assessment reasoning, and integrated Illinois review.

Illinois IAR and ISA overview

The Illinois State Board of Education states that the Illinois Assessment of Readiness (IAR) assesses English language arts and mathematics for public school students in Grades 3–8. The Illinois Science Assessment (ISA) is administered in Grades 5 and 8 and is aligned to the Illinois Learning Standards for Science and the Next Generation Science Standards.

How to use this page

Complete one 10-question set at a time. Return to the passage, graph, table, model, or calculation, then review the explanation after each response.

This is supplemental State Test Practice, State Assessment Practice, and Standardized Test Practice. It does not replace current Illinois State Board of Education guidance, official materials, accommodations, tool policies, or testing procedures.

For broader grade-level study paths, explore Elementary School Tests, Middle School Tests, and High School Tests.

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Illinois State Test Practice Questions

A 10-question Illinois State Test practice set on isa science and evidence, with answers and explanations.

Read each passage, graph, table, model, or problem carefully, choose one answer, and review the explanation after responding.

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

Which process changes liquid water into water vapor?

Please select an answer first.

Correct answer: A

The correct answer is Evaporation.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Evaporation changes liquid water into a gas when water gains energy.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Evaporation changes liquid water into a gas when water gains energy.

2. QuestionMultiple choice

A student tests whether different amounts of sunlight affect plant height. What is the dependent variable?

Please select an answer first.

Correct answer: B

The correct answer is Plant height.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Plant height is measured after changing the amount of sunlight.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Plant height is measured after changing the amount of sunlight.

3. QuestionMultiple choice

Which force keeps the Moon in orbit around Earth?

Please select an answer first.

Correct answer: C

The correct answer is Gravity.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Gravity provides the attraction that keeps the Moon in orbit.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Gravity provides the attraction that keeps the Moon in orbit.

4. QuestionMultiple choice

A student mixes two substances and observes bubbles and a new color. What is this evidence of?

Please select an answer first.

Correct answer: D

The correct answer is A chemical reaction.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Bubbles and a new color can be evidence that new substances formed.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Bubbles and a new color can be evidence that new substances formed.

5. QuestionMultiple choice

What happens to a metal spoon placed in hot water?

Please select an answer first.

Correct answer: A

The correct answer is Thermal energy moves from the water to the spoon..

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Thermal energy moves from the warmer water to the cooler spoon.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Thermal energy moves from the warmer water to the cooler spoon.

6. QuestionMultiple choice

A graph shows that a plants height increased each week. What conclusion is supported?

Please select an answer first.

Correct answer: B

The correct answer is The plant grew during the measured weeks..

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Increasing measurements support the limited conclusion that the plant grew.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Increasing measurements support the limited conclusion that the plant grew.

7. QuestionMultiple choice

Which energy source is renewable?

Please select an answer first.

Correct answer: C

The correct answer is Sunlight.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Sunlight is continually supplied by the Sun and is renewable.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Sunlight is continually supplied by the Sun and is renewable.

8. QuestionMultiple choice

Why should a student keep the amount of water the same when testing different fertilizers?

Please select an answer first.

Correct answer: D

The correct answer is To control another variable..

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Keeping water constant makes fertilizer the clearer variable being tested.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Keeping water constant makes fertilizer the clearer variable being tested.

9. QuestionMultiple choice

Which tool is best for measuring temperature?

Please select an answer first.

Correct answer: A

The correct answer is A thermometer.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: A thermometer measures how hot or cold something is.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

A thermometer measures how hot or cold something is.

10. QuestionMultiple choice

A map shows a river flowing from higher land toward lower land. What force helps move the water downhill?

Please select an answer first.

Correct answer: B

The correct answer is Gravity.

  1. Read the Illinois task: Identify whether the question asks for evidence, a calculation, a scientific relationship, or an assessment strategy.
  2. Use the information provided: Gravity pulls water toward lower ground.
  3. Check the response: Confirm that the answer matches the passage, data, model, calculation, or stated Illinois assessment context.

Gravity pulls water toward lower ground.

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Choose your next study path

Elementary School Tests

Build foundational reading, math, science, and social studies skills for Grades 1–5.

Middle School Tests

Review grade-level ELA, math, science, and social studies skills for Grades 6–8.

High School Tests

Explore course and assessment preparation for Grades 9–12.

Pomodoro Timer

Use focused study intervals to work through your next practice set.

Frequently asked questions about Illinois State Test Practice

What does the Illinois Assessment of Readiness cover?

The Illinois State Board of Education states that IAR assesses English language arts and mathematics for public school students in Grades 3–8.

Which grades take the Illinois Science Assessment?

The current Illinois State Board of Education ISA page identifies Grades 5 and 8. Check the official page for current administration information.

Are these official IAR or ISA questions?

No. These are original supplemental practice questions. Check the official Illinois State Board of Education pages for current practice items, accommodations, tools, and testing policies.