// Field files for grades 2–12Observe. Measure. Explain.

ILLUSTRATED SCIENCE MODEL · PAPER HELICOPTER

Paper helicopter blade-length test: Cut matching rotor designs

A fair test needs the same number of folds and paperclips. Blade length is the independent variable in this comparison. This authored animation illustrates the process; use real observations for measured results.

Cut matching rotor designs. This animation explains what to look for; it does not report a measured classroom result.
OBSERVE

Cut matching rotor designs

A fair test needs the same number of folds and paperclips.

INTERPRET

Connect the model to the science

Blade length is the independent variable in this comparison. This clip is an authored illustration, not recorded experimental data.