With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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.

Make sourdough bread...and learn some colonial history and modern science in the process!

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

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.

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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

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

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

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

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

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.