Showing Results for three digit using place value : Page 19

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

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

Here's a science activity to help your child investigate how seeds are designed to travel.

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

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Making your own glass cleaner is easy, effective and inexpensive!

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Your child can use Styrofoam, green paint and toothpicks to create her own cactus plant sculpture.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

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

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 science fair project, students make their own rain gauge to measure rainfall.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!