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Showing Results for compare with different denominators 1 : Page 2

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 five senses inspired lesson will get your students excited about using their observation skills as they go on a classroom scavenger hunt!

A Five Senses Adventure

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Why Do Plants Wilt?

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Density Experiment

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

How to Clean a Fish Tank

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Mix Color for Rainbow Stew!

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Have a Magnet Marathon!

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Your Nose Knows! Have Fun with Smell Science

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Magnet Art

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

Make a Handprint Butterfly

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Stretch Your Brain with Optical Illusions!

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

Design Challenge: Gumdrop Towers

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Exploring Taste: Sweet, Sour, Salty, and Bitter

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Design Challenge: Making a Boat

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

Play the Senses Guessing Game

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Chromatography for Kids

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Sorting and Classification for Young Children

Learn all about balance and motion as your child designs a corn maze!

Corn Maze STEM Challenge

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Yeast Experiment: It's Alive!

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Make a Sensory Cloud

What is a robot? What can robots do? Computer programmers tell robots what to do by creating a sequence of commands. In this lesson, students work in pairs to program a robot to act out the story from the mini story book *My Friend.*


My Robot Friend

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Air Pressure Science Experiment: Balloon and a Jar

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Discovering and Sorting Seeds in Fruits and Vegetables

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Feeding Plants

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years.  In this science fair project, kids learn how dinosaur tracks were left behind!

Dinosaur Tracks: How Are Fossilized Imprints Formed?

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Glove In a Jar: Demonstration of a Closed System

Use these STEM design challenges to foster creativity and critical thinking skills in young learners while introducing them to the engineering process.

STEM Design Challenge Cards for Young Learners

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Halloween Potions

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

Why Do Greens Turn Brown?

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Sun Print: How Solar Energy Creates Chemical Changes

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