Showing Results for two digit using place value : Page 12

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project teaches students about wilting and browning of salad greens.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This surprisingly good glue recipe comes from common kitchen items.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Learn all about balance and motion as your child designs a corn maze!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Slip some science into storm watching with a homemade rain gauge!

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.