1st - 5th Grade Science Projects Activities : Page 3

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

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

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project idea determines what household items are good conductors of electricity.

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This project examines whether people's taste perception is influenced by what they see.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

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

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

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