Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

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.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

This science fair project idea demonstrates that plants give off water.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project will help students learn about non-vascular plants, such as mosses.

Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea investigates if fats add to the flavor of food.

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

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea determines which method of hand cleansing is the most effective.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this science fair project, young children notice and track changes in trees throughout the year.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science fair project idea explores how length affects the weight a bridge can hold.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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