What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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

Make edible amber fossils with your second grader to explore the fascinating world of science!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This science fair project idea identifies trees using a dichotomous key.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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

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

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Using a toy race car kids create a visual model of the Doppler Effect.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!