Showing Results for two digit using place value : Page 24

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

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!

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

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.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

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!

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

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.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

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

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

This science fair project collects information on the Internet about yourself and others.

This science fair project idea compares the mass and density of objects.