This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This science fair project teaches students about wilting and browning of salad greens.

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

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

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.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.