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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?

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

This basketball project explores the best way to make the perfect shot every time.

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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

How powerful is the reaction between baking soda and vinegar? Find out here!

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.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.