Showing Results for -and--models

How do organic materials become soil? This science experiment measures what materials biodegrade.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Give your budding young observers a chance to discover simple machines at use in their own home.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

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

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

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.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This science fair project idea explores whether white light can be separated into different colors.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Make a spring collage with your child to get them outside and those creative juices flowing!

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!