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.

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.

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

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

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 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.

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

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

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.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

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.

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

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

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

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

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.

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

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

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

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

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

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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

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

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

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