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.

This science fair project idea determines what household items are good conductors of electricity.

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

Transform your uncomfortable wooden shoes into charming mini planters!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

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

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Is your child a young ornithologist in the making?

How do organic materials become soil? This science experiment measures what materials biodegrade.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Create a self-portrait from natural materials in this collage craft activity!

This science fair project teaches students about wilting and browning of salad greens.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.