Ready-made sim

Free fall and air resistance

A steel ball and a crumpled paper drop with the air on, then off. Predict, test, explain.

Science6-83 min as a quick checkOfficial

6 stages

This stage runs alone as a quick check; the rest run in LabPath

PredictRuns as the quick checkWhich lands first, and why? Commit before the drop.3 min

TestDrop both with air, flip the Air switch, drop again.4 min

ExplainOne sentence on what changed and why.3 min

ReviseRewrite the rule after a third object joins.5 min

DefendAnswer two probing questions on the rule.5 min

TransferA feather and a coin on the Moon. Predict.5 min

Student preview · playable

Tiger

PredictTestExplain

Quick check · Free fall and air resistance

Air on

Floor

Drop unlocks after you predict.

A steel ball and a crumpled sheet of paper drop from the same height at the same time. Which lands first?

You cannot change it after the drops.

Step 1 of 4

Whole sim in LabPathAssign it later, or start it live. No account until you publish.

Runs on2D view on a 4 GB Chromebook, iPad and phones from 360 px. Keyboard operable; state changes announced.

Misconceptions it can catch

Heavier always falls faster, even with no airWith no air nothing fallsAir pushes objects down

Gate: Prediction locks before the drop. Tutor: off, your thinking counts.