Grade 4 · Science · Lesson 40

Science fair presentation

A science fair project is a chance to act like a real scientist. You choose a topic that interests you, ask a question, plan an experiment, collect data, and then share what you discovered. In this final lesson, we celebrate everything you have learned across all four units of Grade 4 Science.

What this lesson teaches

1Plan a science fair project by choosing a topic, forming a question, and designing an experiment
2Collect and record data, then draw conclusions based on results
3Create a clear display board with visual aids to present findings
4Review key concepts from all four units: earth and space, ecosystems, physical science, and the human body

🔒 Member-only content

Unlock the full lesson

Subscribe to access the complete mini-lesson, guided practice, interactive exercises, and printable PDF for this lesson — plus all 1,680 lessons across grades 1–6.

See membership plans Try a free lesson first

The first lesson of every subject is free — no account required.