Home / Science / Printables / Grade 3 / Using a Pattern to Predict Using a Pattern to Predict is a free printable Grade 3 science worksheet on using a pattern in motion to predict future motion, aligned to Common Core standard 3-PS2-2. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.
One paper per pupil
Set 1 has all 25 in a single PDF. All 25 sets ask different questions.
Using a Pattern to Predict 3-PS2-2
Name Date
Circle the best answer.
1. A pendulum gives 9, 9, 10, 9 swings in ten seconds. What do you predict next?
A. About 20 swings B. It cannot be predicted C. About 9 swings 2. A marble takes 3 seconds down a ramp four times running. What do you predict?
A. It will not roll B. About 3 seconds on the fifth run C. 6 seconds 3. Someone lengthens the string and predicts 9 swings again. What is wrong?
A. Nothing is wrong B. Longer string always means more swings C. The set-up changed, so the old pattern may not hold 4. Your four tries give 9, 9, 10, 9. What makes the prediction trustworthy?
A. One try was 10 B. The four tries agree closely with each other C. They are all different 5. What would make you stop trusting a motion pattern?
A. Results that stop agreeing with each other B. Doing more tries C. Writing them down 6. A swing takes the same time whether pushed hard or gently. What can you predict?
A. A hard push will be quicker B. It will take that time on the next push too C. It will stop swinging 7. One try gives 9 swings. Is that enough to predict?
A. No, because one try might be unusual B. Yes, one is enough C. No, you need a hundred 8. Why can a repeated pattern be used to predict?
A. The same set-up gives about the same result each time B. Predictions are guesses C. Patterns are always exact LessonPrint · 3-PS2-2 · Set 3 · free to copy for classroom use
Answer key — Using a Pattern to Predict Set 3. Prints on its own sheet.
1. About 9 swings 2. About 3 seconds on the fifth run 3. The set-up changed, so the old pattern may not hold 4. The four tries agree closely with each other 5. Results that stop agreeing with each other 6. It will take that time on the next push too 7. No, because one try might be unusual 8. The same set-up gives about the same result each time Last reviewed 2026-09-05. Aligned to 3-PS2-2 of the Next Generation Science Standards.