Subjects

Math

English Language Arts

Science

Social Studies

Foreign Language

Grades

Pre-K

Kindergarten

1st Grade

2nd Grade

3rd Grade

4th Grade

5th Grade

6th Grade

7th Grade

8th Grade

Worksheets

Games

Build a Worksheet

Word Scramble

Word Search

Crossword Puzzle

Sudoku Generator

Addition Worksheet Generator 

Subtraction Worksheet Generator

Multiplication Worksheet Generator

Division Worksheet Generator

See All

More Resources

Arts & Crafts

Hands-On Activities

CVC Words

Guided Lessons

Common Core State Standards

Common Core Math

Common Core ELA

Roly Recommends

Weekly Recommendations

Early Childhood

Social Emotional Learning

Holidays

Winter

Kwanzaa

New Year

Showing Results for structure of an...

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?

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 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

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 plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Can New Plants Be Made Without Seeds?

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Arch Magic: The Unbreakable Egg

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Does Storing Cucumbers and Tomatoes in the Fridge Spoil Its Unique Flavors?

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

The Role of Fat in Food

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Does Opening A Fruit Up Cause it to Rot Faster?

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

Bridge Over Troubled Water

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

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Seedy Situation

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Rubber Band Heat Engine

In this design challenge, your child will make a bottle rocket using typical household items.

Design Challenge: Making a Bottle Rocket

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Building Brick Challenge: Build the Eiffel Tower

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Teaching Worms

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?

This activity is a fun challenge for students who have just started learning to program educational robots.

Robot Around the Block

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

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Can Jell-O be Made With Just Warm Water Instead of Boiling Hot and Then Cold? 

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

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Clay Animation

This science fair project teaches students about wilting and browning of salad greens.

Why Do Greens Turn Brown?

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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Homemade Butter

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Musical Key

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

Eighth Grade

Grade Level

1st - 5th Grade

Lesson Plans

Interactive Worksheets

Workbooks

Activities

Exercises

Stories

Songs

Offline Games

Teacher Resources

Teacher Editions

Resource Type

Birthdays

Women's History Month

St. Patrick's Day

Ramadan

Passover

Spring

Easter

Earth Day

Cinco de Mayo

Mother's Day

Memorial Day

Asian Pacific American Heritage Month

Graduation

Summer

Summer Packets

Father's Day

Independence Day

Back to School

Labor Day

Fall

Hispanic Heritage Month

Halloween

Dia de los Muertos

Veterans Day

Thanksgiving

Christmas

Hanukkah

Martin Luther King Jr. Day

Lunar New Year

Valentine's Day

Presidents' Day

Black History Month

Occasion

Common Core

Mazes

Dot to Dot

Ball Games

Crossword

Fitness & Exercise

Group Games

Memory Games

Outdoor Games

Printable Board Games

Puzzles & Sudoku

Scavenger Hunt

Travel Games

Word Puzzles

Game Type

Fabric Projects

Beads & Jewelry

Paper & Glue Crafts

Construction & Sculpture

Painting & Drawing

Recycled Crafts

Coloring

Snacks

Mains

Sides

Dessert

Recipes

English Language Support