In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

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

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

Word color association is just a fancy way to talk about the way we connect colors with words.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

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.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

The objective of this science fair project is to investigate salt water density.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Plant a mini herb garden and teach your child about science and nature.

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?