The Orange Float Test is a simple and engaging STEM activity that helps children explore the scientific concepts of buoyancy and density. By placing a whole orange with its peel into water and then testing the same orange after removing the peel, students can observe a surprising difference—an unpeeled orange floats, while a peeled orange usually sinks. This fascinating experiment demonstrates how the air trapped inside the orange peel increases buoyancy, making the fruit float.
Perfect for classrooms, homeschool lessons, science fairs, and at-home learning, the Orange Float Test encourages children to make predictions, observe changes, and record their findings like real scientists. It introduces key scientific concepts such as buoyancy, density, air pockets, and floating versus sinking while developing observation, inquiry, and critical-thinking skills. Using only an orange and a bowl of water, this quick and interactive STEM activity makes science fun, memorable, and easy to understand for young learners.
Title
Orange Float Test
Materials Required:
- Orange
- Water
Steps:
- Test an orange with peel.
- Then peel it and test again.
Science Behind it:
Density and trapped air.
Key Features of this Project Kit:
- Experiment Sheet
- Prediction Sheet
- Observation Sheet
- Result Sheet
- Reflection Sheet
Who is this Science Activity for?
- Students – Who are very interested and want to learn about Science.
- Teachers – Who are teaching about Science Experiments to the students.
- Parents – Who want to do simple Science Experiments with available materials at home.
👇 Download your Free PDF Project Kit below.
Printing Tips
- Print on A4 paper.
- Use high-quality paper.
- Use 100–120 gsm paper for better durability.
- Print unlimited copies for personal use.
- Works with most home and office printers.
- Best quality at 100% scale.
