What Makes an Electromagnet Stronger?

A fair test changes only one thing. Pick the variable you will change, lock the other, then run your trials.

Design a fair test

What is the ONE thing you will change?

Number of coils Number of batteries

Run a trial

Choose a value to test

Predict the paper clips

No investigation yet

Result Not tested yet Design your investigation to begin.

Nothing to show yet Pick the one variable you will change, lock the other, then start.

Electromagnet Investigation: Data Table

Name:Class:Date:

No investigation yet

Trials for your investigation
Trial number	Variable	Pred.Predicted clips	ClipsActual clips	Remove