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Showing Results for three digit and regrouping numbers : Page 5

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Crystal Lollipops

This fun and interactive lesson will teach your students the scientific method to find out if something sinks or floats with a little help from Cookie Monster.

Sink or Float with the Cookie Monster

Help your students' reasoning skills grow with this activity that has them make educated guesses on whether or not an item will be attracted to a magnet.


Magnet Magic

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Disappearing Crystals: A Refraction Experiment

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.

Make Rose Soap Petals

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

How to Make a Water Wheel

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

How to Make a Cartesian Diver

Energy is an essential part of our daily lives, but the resources that power the Earth are being threatened. In this lesson, students learn about renewable and non-renewable resources, including those that need protection.

Renewable and Non-Renewable Energy

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

What Materials Block Radio Waves Most Effectively?

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

Play Science Password!

Set your teen on the beat in a real world "crime scene" investigation. Can he tell whose fingerprints are on a drinking glass?

CSI Science: Get the Prints!

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Comparing Additive and Subtractive Color

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Testing pH Levels in Everyday Foods and Household Products

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

How to Make a PVC Pipe Instrument

Help your class gain a foundational understanding of matter by learning how to conduct inquiry and gain an understanding about the characteristics of gases. This lab will have your students amazed at what is really in the air. 


You Can't See Me!

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

How Fast Does Light Travel in Water vs. Air? Refraction Experiment

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Pendulum Waves

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Create a Collection That Rocks!

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

Build a Pinhole Camera

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Acoustics: The Study of Sound

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