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Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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

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

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Use a dichotomous key to identify plants or animals.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Do you think heat can affect a plant's growth rate?

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

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

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea discovers the principle of conservation of mass.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.