Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

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.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

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

Plants and light seem to be good buddies, but how far does the friendship really go?

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

In this science fair project, students use the streak test to tell minerals apart from each other.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.