Showing Results for two digit using place value : Page 7

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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?

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

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!

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

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

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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.