This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This classic children's game demonstrates how sound travels through air vs. through a solid.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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 science fair project idea produces sounds by creating vibrations using different objects.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

In this design challenge, your child will create a parachute for a small toy using typical household items.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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.

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.