Task · part of 4. Classic Experiments. Do TWO

4(a). Build an electroscope

Optional May not apply

This may not apply to you. You have not answered "Requirement 4: which two experiments?" yet. Answer it and this step will either settle or drop off.

Show how it works. Place a radiation source near the ball and explain the effect. Adults must handle radioactive materials.

Warning. The requirement states: "Adults must handle radioactive materials."

Where this step comes from

Nuclear Science Merit Badge Requirements (Merit Badge Hub, last modified 2026-02-19), Requirement 4(a) · States "Adults must handle radioactive materials."

Notes and warnings

Where this step comes from