Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this activity your child will create their very own marble maze!

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

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Learn all about balance and motion as your child designs a corn maze!

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

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.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

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.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Challenge your learner to design and build a city of their own in this creative engineering activity.