🔬 ScienceGrade 4Lesson 40
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Science fair presentation
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Learning Objectives
- 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
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Mini Lesson
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.
Steps to Plan a Science Fair Project
- Choose a topic — pick something from science that makes you curious.
- Form a question — write a clear question you want to answer (e.g. "Does sunlight affect plant growth?").
- Make a hypothesis — predict what you think will happen and explain why.
- Design an experiment — decide what to test (variable), what to keep the same (control), and what to measure.
- Collect data — carry out the experiment and record your results carefully.
- Draw conclusions — compare your results to your hypothesis and explain what you found.
- Present your findings — share your work on a display board with clear labels and visuals.
What Makes a Good Science Presentation
- Display board — neatly divided into sections: Question, Hypothesis, Materials, Procedure, Results, and Conclusion.
- Visual aids — graphs, diagrams, photos, or labeled drawings help your audience understand your data.
- Speaking confidently — practice explaining your project in your own words; make eye contact with your audience.
- Clear language — use science vocabulary correctly and explain any terms your audience may not know.
Key Vocabulary
- Data — facts and measurements collected during an experiment.
- Variable — the factor you change in an experiment to test its effect.
- Control — everything kept the same so the test is fair.
- Result — what actually happens during the experiment.
- Display — the visual board that shows your project to others.
- Presentation — sharing your findings through speech and visuals.
Celebrating Learning from All 4 Units
- Unit 1 — Earth and Space: Earth's layers, tectonic plates, weathering, erosion, the water cycle, and climate zones.
- Unit 2 — Ecosystems: food webs, plant and animal adaptations, inherited traits, life cycles, habitats, and human impact.
- Unit 3 — Physical Science: properties of matter, mixtures, solutions, heat transfer, light, electricity, circuits, and magnetism.
- Unit 4 — Human Body: digestive, respiratory, nervous, and circulatory systems; nutrition, hygiene, and first aid.
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Tip: use the initials D-V-C-R to remember the key experiment words — Data, Variable, Control, Result.
Vocabulary
science fair
An event where kids present experiments and findings.e.g. He won first prize at the science fair.
display board
A folding board used to show a project clearly.e.g. Her display board had photos, charts, and labels.
data
Information collected during an experiment.e.g. They graphed the data from their plant experiment.
variable
Something that can change in an experiment.e.g. The amount of water was the variable they tested.
results
What happened in an experiment, often shown with numbers or charts.e.g. The results showed plants grew taller with more light.
conclusion
A statement explaining what the experiment proved.e.g. Their conclusion supported the original hypothesis.
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