With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Help your child learn about animal classification with this fun and delicious activity.

This science fair project idea experiments with spinning color wheels and optical illusions.

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.

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.

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

This basketball project explores the best way to make the perfect shot every time.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!