Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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

This science fair project idea investigates whether plants can survive being frozen.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

How powerful is the reaction between baking soda and vinegar? Find out here!

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

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

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Making your own glass cleaner is easy, effective and inexpensive!

Take a dive into the candy jar with this yummy science experiment.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

This science fair project idea provides evidence that air is everywhere and takes up space.