Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

This project investigates the affect of storage temperature on microwave popcorn.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Construct and experiment with a periscope using reflected light rays to gather an image.

Try this chemistry experiment with your curious kid and get some "shocking" results!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Find out whether putting something on top of a plant will inhibit its growth.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Discover how and which salt melts ice the quickest.