This experiment challenges students to forecast the weather based on the surrounding areas' weather.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project idea deals with the qualities of shade on a sunny day.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

In this project, waves of vibrations are experimented with using water in glasses.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This project compares the strength of one, two, and three-ply toilet paper.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project idea determines if family members can recognize one another using only the sense of smell.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

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

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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

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.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.