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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."

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

This activity is a fun challenge for students who have just started learning to program educational robots.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

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

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

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!

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

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.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

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 teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!