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Showing Results for two digit using

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Magnet Experiment: Are Two Magnets Twice as Strong as One?

This science fair project idea identifies trees using a dichotomous key.

Using A Dichotomous Key To Identify Trees

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets&#39; relative size!

Scale Model of the Solar System

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Using Mirrors in the Garden: Measuring Light Reflection

This project compares the strength of one, two, and three-ply toilet paper.

The Relationship Between Toilet Paper Ply and Strength

Use this fossils worksheet to help a child learn about life on earth.  Your child will learn about evolution and extinction, and also form a hypothesis.

Fossils Worksheets: Dig It! #2

In this science fair project, young children discover what happens when two fluids that have different densities get together.

What Happens When Oil and Water Get Together?

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Color Changing Milk Experiment

Is your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.

Sorting Out the Scientific Method #2

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Which Plants Can Resist Walnut Tree Allelopathy?

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

What Attracts Fruit Flies?

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Popcorn Pumice: Exploring Different Rock Densities

This classic children&#39;s game-connecting two cups with a string-demonstrates sound&#39;s ability to travel through air vs through a solid.

The Speed of Sound on a String

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Using Garden Mulch to Make a Bug Zoo

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

How to Inflate a Balloon Using Baking Soda and Vinegar 

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

To Measure the Refraction of Light Through Liquids Using Crystals

Children hone their powers of observation using this worksheet template.

Recording Observations: What Do You See?

This science fair project idea produces sounds by creating vibrations using different objects.

Creating Sound Through Vibrations

In this lesson, students will learn to program an animated figure using ScratchJr.

What Is Animation?

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Design Challenge: Building a Bridge

In this project students experiment with making music using only glasses of water.

Musical Glasses

In this science fair project you will make a model of a cell membrane using very simple material.

Cell Membrane

Construct and experiment with a periscope using reflected light rays to gather an image.

Periscope Construction

In this lesson, students will learn to create a simple algorithm using block code. The platform used for this activity is a website created by Google that provides free educational games that teach students to program using block code.

What Is an Algorithm?

In this lesson, students will learn to create an animated character using the education coding app ScratchJr.

Code a Character

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Growing Bacteria

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Starting a Fire

This science fair project idea explores  whether a sundial is as accurate as an atomic clock when telling time.

How Accurate is Using a Sundial Compared to an Atomic Clock?

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Distance and Angle

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

DIY Electromagnet

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