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Showing Results for three digit

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

Dig It! #3

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

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Shaving Cream Paintings

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

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

Bridge Over Troubled Water

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Cinnamon Bug Repellent: Sweet Relief?

Is it a square or a circle? See if you can trick your friends with this zany science project!

Shape Words

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

The Science Behind Keeping Flowers Fresh

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Bust That Rust!

Plants and light seem to be good buddies, but how far does the friendship really go?

Growing in the Dark: Plants and Light

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Duck Feet

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Does Hair Color Affect Static Electricity?

Get your students to be builders and create structures with a variety of materials. Students will have the opportunity to be creative, cooperate in groups, and discuss their experience.


Structure Building Challenge

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

To Leaf or Not to Leaf 

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Geography, Latitude, and the North Star: Where Am I?

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!

Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet!&nbsp;

Read a Thermometer

This project examines whether people's taste perception is influenced by what they see.

Taste Perception

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Bird Seed Science: Do Birds Prefer Certain Colors?

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!

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Eraser Test

The objective of this science project is to determine the length of time for different seeds to germinate.

Making Plants Grow

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Ew... Brown Guacamole!

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

This science fair project idea  investigates how the shape of an object affects drag.

Don't Be A Drag

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Warm, Warmer: How Does Exercise Change Body Temperature?

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Water Pressure at Depth

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Does Ultraviolet (UV) Light Pass through Some Colors More than Others?

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

The Role of Fat in Food

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Build an Insect Model

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