3rd - 5th Grade Science Projects Activities : Page 4

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

The purpose of this science fair project is to build a basic radio.

This science fair project idea determines if the color of light affects the growth of plants.

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

This science fair project idea explores whether talking to a plant will help it grow.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

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

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This basketball project explores the best way to make the perfect shot every time.

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

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.