Showing Results for two digit using : Page 13

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

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

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

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!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science experiment tests if dog saliva can really help heal wounds.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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!

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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