Showing Results for regular and irregular plural forms : Page 3

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 a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

An home science experiment for older students that teaches about the science behind heat.

This science fair project idea examines which type of insulation holds in the most heat.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Help your child make a beautiful homemade sandcastle that will last!

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science fair project idea explores whether talking to a plant will help it grow.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

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

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

The goal of this project is to create an exciting topographical map out of dough.