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Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

How do organic materials become soil? This science experiment measures what materials biodegrade.

I scream, you scream, we all scream for homemade spearmint ice cream!

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.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Give your budding young observers a chance to discover simple machines at use in their own home.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

This science fair project idea explores whether white light can be separated into different colors.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Make a spring collage with your child to get them outside and those creative juices flowing!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science project teaches students to classify different shapes of leaves.

This science fair project teaches students the differences between fruits and vegetables.