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Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Find out whether a longer airplane will fly farther or a wider paper airplane.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this science fair project you will make a model of a cell membrane using very simple material.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

The goal of this project is to create an exciting topographical map out of dough.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea examines the reason boats are shaped and engineered.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project teaches students the differences between fruits and vegetables.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.