ACT® Science Practice Test

Prepare for your test with realistic questions.

Free ACT Science Practice Test (updated 2025)

The Science section of the ACT® evaluates your knowledge of various math concepts, including algebra, geometry, functions, and statistics.

ACT® is a registered trademark belonging to ACT Education Corp. (“ACT”). ACT is not involved with or affiliated with Mometrix Media LLC, nor does ACT endorse or sponsor any of the products or services offered by Mometrix Media LLC.
 

 
To help you prepare for this section of the ACT, this page contains everything you need to know, including what topics are covered, how many questions there are, and how you can study effectively.

Click “Start Test” above to take a free ACT Science practice test!

What’s on the ACT Science Section?

ACT Science Outline showing three main sections: Interpretation of Data, Scientific Investigation, and Evaluation of Models, with topics and question/time info at the top.

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Here’s what you’ll find in the ACT course:

Everyone learns differently, so we’ve tailored the ACT online prep course to ensure every learner has what they need to prepare for the ACT exam.

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FAQs

Q

How many science questions are on the ACT?

A

There are 40 questions on the Science section of the ACT.

Q

How long is the Science section of the ACT?

A

The Science section is timed at 40 minutes.

Q

What is a passing score on the ACT Science section?

A

There is no set passing score for the Science section of the ACT. However, a score of at least 21 is generally recommended.


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Edited by Aaron Lanni

Aaron is the content manager and lead editor for Mometrix Academy. He regularly produces, updates, proofreads, and edits content to ensure it meets Mometrix’s quality and accessibility standards.

ACT® is a registered trademark belonging to ACT Education Corp. (“ACT”). ACT is not involved with or affiliated with Mometrix Media LLC, nor does ACT endorse or sponsor any of the products or services offered by Mometrix Media LLC.

 

by Mometrix Test Preparation | Last Updated: September 12, 2025