Create a self-portrait from natural materials in this collage craft activity!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

The objective of this science project is to determine the length of time for different seeds to germinate.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea explores how length affects the weight a bridge can hold.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Explore if planting seeds in a certain direction will affect how fast it germinates.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

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.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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

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

This science fair project examines how seeds hitchhike on animals and clothing.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.