Make sourdough bread...and learn some colonial history and modern science in the process!

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

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

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

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

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.