Showing Results for two digit using place value : Page 6

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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

In this activity your child will create their very own marble maze!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

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

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

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.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

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

In this experiment you will replicate the mummification process by making a hot dog mummy.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This science fair project examines how seeds hitchhike on animals and clothing.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.