Showing Results for two digit using place value : Page 17

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Take a dive into the candy jar with this yummy science experiment.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project idea determines what household items are good conductors of electricity.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Children use their design thinking skills and powers of observation to create and construct a bird nest.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

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.