In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

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.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Will the shape of an ice cube impact how fast the ice melts?

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!