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Idaho State Assessments · ISAT Science

Idaho ISAT Science Practice Test

Build Idaho science readiness with five focused 10-question practice sets covering life science, physical science, Earth and space science, engineering, data, and evidence.

Idaho ISAT Science practice sets

This Idaho ISAT Science Practice Test page provides five short practice sets with 10 original multiple-choice questions each. The sets cover life science, physical science, Earth and space science, engineering and data investigation, and integrated review.

ISAT Science skills

The Idaho Department of Education describes ISAT science assessment for Grades 5, 8, and 11. Use these supplemental questions to practice interpreting models, analyzing data, explaining scientific relationships, evaluating investigations, and using evidence.

How to use this page

Complete one 10-question set at a time. Return to the model, graph, table, or investigation, 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 Idaho Department of Education guidance, official assessment materials, accommodations, or testing policies.

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

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5 Tests
1. Test2. Test3. Test4. Test5. Test

5. Test

Idaho ISAT Science Practice Questions

A 10-question Idaho ISAT Science practice set on integrated idaho isat science review, with answers and explanations.

Read each investigation, model, graph, or science question carefully, choose one answer, and review the explanation after responding.

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

A plant in sunlight grows 8 centimeters while a plant in shade grows 3 centimeters under the same conditions. What is the difference?

Please select an answer first.

Correct answer: A

The correct answer is 5 centimeters.

  1. Read the Idaho science task: Identify the system, evidence, variable, model, or scientific pattern the question asks you to examine.
  2. Use scientific evidence: Subtract 3 from 8 to find a difference of 5 centimeters.
  3. Check the conclusion: Confirm that the answer matches the evidence, uses the correct relationship, and does not claim more than the data show.

Subtract 3 from 8 to find a difference of 5 centimeters.

2. QuestionMultiple choice

A student observes water droplets on the outside of a cold cup. Where did the droplets most likely come from?

Please select an answer first.

Correct answer: B

The correct answer is Water vapor in the surrounding air condensed..

  1. Read the Idaho science task: Identify the system, evidence, variable, model, or scientific pattern the question asks you to examine.
  2. Use scientific evidence: Water vapor in the air can cool and condense on the cold surface.
  3. Check the conclusion: Confirm that the answer matches the evidence, uses the correct relationship, and does not claim more than the data show.

Water vapor in the air can cool and condense on the cold surface.

3. QuestionMultiple choice

A food web loses most of its plants during a drought. Which effect is most likely?

Please select an answer first.

Correct answer: C

The correct answer is Less plant food is available for plant-eating animals..

  1. Read the Idaho science task: Identify the system, evidence, variable, model, or scientific pattern the question asks you to examine.
  2. Use scientific evidence: Plant-eating animals may have less food when producer populations decrease.
  3. Check the conclusion: Confirm that the answer matches the evidence, uses the correct relationship, and does not claim more than the data show.

Plant-eating animals may have less food when producer populations decrease.

4. QuestionMultiple choice

A rock sample scratches a plastic ruler but does not scratch glass. What property is being tested?

Please select an answer first.

Correct answer: D

The correct answer is Hardness.

  1. Read the Idaho science task: Identify the system, evidence, variable, model, or scientific pattern the question asks you to examine.
  2. Use scientific evidence: The ability to scratch another material is evidence related to hardness.
  3. Check the conclusion: Confirm that the answer matches the evidence, uses the correct relationship, and does not claim more than the data show.

The ability to scratch another material is evidence related to hardness.

5. QuestionMultiple choice

A weather report shows falling air pressure and dark clouds moving toward a town. What weather change might be expected?

Please select an answer first.

Correct answer: A

The correct answer is A storm may be approaching..

  1. Read the Idaho science task: Identify the system, evidence, variable, model, or scientific pattern the question asks you to examine.
  2. Use scientific evidence: Falling pressure and dark incoming clouds can be evidence of changing or stormy weather.
  3. Check the conclusion: Confirm that the answer matches the evidence, uses the correct relationship, and does not claim more than the data show.

Falling pressure and dark incoming clouds can be evidence of changing or stormy weather.

6. QuestionMultiple choice

A student compares two batteries in the same flashlight and records how long the bulb stays bright. What is measured?

Please select an answer first.

Correct answer: B

The correct answer is The duration of the bulbs light.

  1. Read the Idaho science task: Identify the system, evidence, variable, model, or scientific pattern the question asks you to examine.
  2. Use scientific evidence: The student records how long the bulb remains bright, which is the measured outcome.
  3. Check the conclusion: Confirm that the answer matches the evidence, uses the correct relationship, and does not claim more than the data show.

The student records how long the bulb remains bright, which is the measured outcome.

7. QuestionMultiple choice

A diagram shows arrows from the Sun to Earth and from Earth back toward space. What process can the diagram help explain?

Please select an answer first.

Correct answer: C

The correct answer is Energy entering and leaving Earths system.

  1. Read the Idaho science task: Identify the system, evidence, variable, model, or scientific pattern the question asks you to examine.
  2. Use scientific evidence: The arrows can represent energy received by Earth and energy radiated back toward space.
  3. Check the conclusion: Confirm that the answer matches the evidence, uses the correct relationship, and does not claim more than the data show.

The arrows can represent energy received by Earth and energy radiated back toward space.

8. QuestionMultiple choice

A student repeats a bridge test and gets 10, 11, and 10 books supported. What conclusion is safest?

Please select an answer first.

Correct answer: D

The correct answer is The design supported about 10 to 11 books in those tests..

  1. Read the Idaho science task: Identify the system, evidence, variable, model, or scientific pattern the question asks you to examine.
  2. Use scientific evidence: The repeated results support a limited conclusion about the tested design and conditions.
  3. Check the conclusion: Confirm that the answer matches the evidence, uses the correct relationship, and does not claim more than the data show.

The repeated results support a limited conclusion about the tested design and conditions.

9. QuestionMultiple choice

Which statement is an inference rather than a direct observation?

Please select an answer first.

Correct answer: A

The correct answer is The soil is probably dry because its surface is cracked..

  1. Read the Idaho science task: Identify the system, evidence, variable, model, or scientific pattern the question asks you to examine.
  2. Use scientific evidence: Probably dry is a conclusion drawn from the observed cracks rather than a direct measurement.
  3. Check the conclusion: Confirm that the answer matches the evidence, uses the correct relationship, and does not claim more than the data show.

Probably dry is a conclusion drawn from the observed cracks rather than a direct measurement.

10. QuestionMultiple choice

What is the best general strategy for an Idaho ISAT Science practice question?

Please select an answer first.

Correct answer: B

The correct answer is Identify the evidence, connect it to a scientific idea, and check the conclusion..

  1. Read the Idaho science task: Identify the system, evidence, variable, model, or scientific pattern the question asks you to examine.
  2. Use scientific evidence: Using evidence and checking the strength of the conclusion supports careful scientific reasoning.
  3. Check the conclusion: Confirm that the answer matches the evidence, uses the correct relationship, and does not claim more than the data show.

Using evidence and checking the strength of the conclusion supports careful scientific reasoning.

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Idaho State Test Practice

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Elementary School Tests

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

Middle School Tests

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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 Idaho ISAT Science Practice

Which Idaho Science skills are covered?

The page provides supplemental practice for life science, physical science, Earth and space science, engineering design, data analysis, investigations, and evidence-based reasoning.

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 Idaho ISAT questions?

No. These are original supplemental practice questions. Check the latest Idaho Department of Education information for current assessment materials, accommodations, and policies.