Simple Experiments: A Fair Test

Simple Experiments: A Fair Test Worksheet (Grade 3 Science, TEKS 3.1B)

Students learn the fair test rule, circle the fair test for three investigations, and circle the one thing each student changes. Simple black-and-white doodles and big, easy-to-read text keep the focus on the thinking, not the reading.

What's Inside

• A strip with the fair test rule: change one thing, keep everything else the same
• Part A: circle the fair test for each investigation, with a worked example
• Part B: circle the one thing each student changes, with a worked example
• Ollie the owl, a friendly guide
• A visual answer key with answers marked in red, plus a short teacher note

How Teachers Use It

Use it as a mini-lesson follow-up, a quick check, or a center. It takes 5 to 8 minutes and prints clearly in black and white. The focus skill is planning a simple experiment that is a fair test.

Why It Works

Each sheet teaches the idea first, then asks students to use only what the page taught. Every activity has a done-for-you example, and students only circle, check, match, or number, so they can finish on their own. Wrong choices are believable, not silly, so students have to think.