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Showing Results for word structure 3

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Grow Salt Crystals!

Word color association is just a fancy way to talk about the way we connect colors with words.

Word Color Association: Are You Feeling Orange?

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Which Fabrics are Most Absorbent?

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

The Relationship Between Toilet Paper Ply and Strength

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

How to Build a DNA Model

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

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

Heat Conduction

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Different Types of Rocks

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

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Dancing Raisins

Help your fifth grader trace your family&#39;s roots and interview all the living mothers to create a makeshift, 3-D family tree!

Family Tree Craft

Create a three-dimensional X-ray of your child&#39;s hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Skeleton Hand Print

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

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Sock Science

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

How Strong are a Bird's Bones?

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Design Challenge: Gumdrop Towers

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Halloween STEM Building Challenge

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Leaf Rubbings: Shapes and Patterns

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Ancient Building Techniques

Have your child kick off their summer vacation by making a miniature water slide!

Design Challenge: Making a Water Slide

This science fair project idea explores how length affects the weight a bridge can hold.

Bridge Over Troubled Water

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The Role of Fat in Food

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Can New Plants Be Made Without Seeds?

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Build a Popsicle Stick Bridge

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

How Does Sound Travel?

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Digging in the Dark

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Erosion Experiment

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Mental Mix Up: Experimenting with Your Ability to Focus

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Golf Science Fair Project: Temperature and Rebound

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Design Challenge: Egg Drop

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