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Showing Results for three digit using place value

This science fair project investigates why the number of visible stars changes from place to place.

Stars In The Sky

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

The Relationship Between Toilet Paper Ply and Strength

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Surface Features of the Moon Model

Fossils can tell us about life on earth, but they can also teach kids the scientific method.

Dig It! #3

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

Using A Dichotomous Key To Identify Trees

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

DIY Compost: Aerobic and Anaerobic Decomposition

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

Introduce students to the term **algorithm** using the familiar story of The *Three Little Pigs*. In this lesson, students will develop an algorithm, or a step-by-step **sequence** of instructions, for building a house made out of bricks.


Little Pig Algorithm

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Making A Rock In A Cup

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Heat Conduction

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

3-D Model of the Sun

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Sorting Out the Scientific Method #3

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Shadow Science: What Makes Shade Shift?

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Soil Horizon

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for &ldquo;something that will improve the school.&rdquo;

Design Challenge: Improve the School

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

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

Musical Glasses

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

Creating Sound Through Vibrations

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

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

Growing Bacteria

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?

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

Periscope Construction

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

Design Challenge: Building a Bridge

Children hone their powers of observation using this worksheet template.

Recording Observations: What Do You See?

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?

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 

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

Starting a Fire

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

Design Challenge: Making a Parachute

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Magic Glass of Water

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