Showing Results for hard

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

In this science fair project, students use the streak test to tell minerals apart from each other.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

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

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

I scream, you scream, we all scream for homemade spearmint ice cream!

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This science fair project teaches students about wilting and browning of salad greens.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!