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!

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

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Examine the effect of pressure on carbonation in soda.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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

The goal of this project is to create an exciting topographical map out of dough.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea determines the most effective method of preserving food.

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 science fair project idea investigates whether plants can survive being frozen.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Test whether plants can grow without sunlight and water.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project idea explores substances that cause a bubble to last longer.