This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

This project determines what category of person is most likely to be ticklish.

Slip some science into storm watching with a homemade rain gauge!

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Explore if planting seeds in a certain direction will affect how fast it germinates.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

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

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.