Showing Results for three digit using place value : Page 7

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.

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

Make edible amber fossils with your second grader to explore the fascinating world of science!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Have your child kick off their summer vacation by making a miniature water slide!

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.

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

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

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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?

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

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.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

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

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.