Showing Results for compare with same denominators 1

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

How powerful is the reaction between baking soda and vinegar? Find out here!

Get your child excited about measuring with this fun and easy household measurements activity.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Do you think heat can affect a plant's growth rate?

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 will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.