Showing Results for three digit using place value : Page 5

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

This science fair project idea investigates how magnetism can defy the force of gravity.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

Make a spring collage with your child to get them outside and those creative juices flowing!

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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!

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

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Help your kindergarten science maven explore the water cycle without getting everything wet.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!