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Get Cracking
Get Cracking
Activity
Get Cracking large image
Get Cracking
Second Grade
Engineering and Science Inquiry
Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.
Activity
Get Cracking
Get Cracking
Activity
Get Cracking
Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.
Second Grade
Engineering and Science Inquiry
Activity
Passive Solar Heating
Passive Solar Heating
Activity
Passive Solar Heating large image
Passive Solar Heating
Fourth Grade
Engineering and Science Inquiry
examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy
Activity
Passive Solar Heating
Passive Solar Heating
Activity
Passive Solar Heating
examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy
Fourth Grade
Engineering and Science Inquiry
Activity
Testing Water Hardness
Activity
Testing Water Hardness
Fourth Grade
Engineering and Science Inquiry
This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.
Activity
Testing Water Hardness
Activity
Testing Water Hardness
This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.
Fourth Grade
Engineering and Science Inquiry
Activity
Ivory Soap Experiment
Ivory Soap Experiment
Activity
Ivory Soap Experiment large image
Ivory Soap Experiment
Third Grade
Engineering and Science Inquiry
In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
Activity
Ivory Soap Experiment
Ivory Soap Experiment
Activity
Ivory Soap Experiment
In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!
Third Grade
Engineering and Science Inquiry
Activity
Too Much Sodium?
Too Much Sodium?
Activity
Too Much Sodium? large image
Too Much Sodium?
Third Grade
Engineering and Science Inquiry
Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.
Activity
Too Much Sodium?
Too Much Sodium?
Activity
Too Much Sodium?
Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.
Third Grade
Engineering and Science Inquiry
Activity
Celery and Food Coloring Experiment
Celery and Food Coloring Experiment
Activity
Celery and Food Coloring Experiment large image
Celery and Food Coloring Experiment
First Grade
Physical Science
Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.
Activity
Celery and Food Coloring Experiment
Celery and Food Coloring Experiment
Activity
Celery and Food Coloring Experiment
Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.
First Grade
Physical Science
Activity
Upside-Down Plants
Upside-Down Plants
Activity
Upside-Down Plants large image
Upside-Down Plants
Third Grade
Engineering and Science Inquiry
This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.
Activity
Upside-Down Plants
Upside-Down Plants
Activity
Upside-Down Plants
This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.
Third Grade
Engineering and Science Inquiry
Activity
Cooling Food: Microwave vs. Oven
Cooling Food: Microwave vs. Oven
Activity
Cooling Food: Microwave vs. Oven large image
Cooling Food: Microwave vs. Oven
Fourth Grade
Engineering and Science Inquiry
What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.
Activity
Cooling Food: Microwave vs. Oven
Cooling Food: Microwave vs. Oven
Activity
Cooling Food: Microwave vs. Oven
What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.
Fourth Grade
Engineering and Science Inquiry
Activity
Can Dog Drool Kill Germs?
Can Dog Drool Kill Germs?
Activity
Can Dog Drool Kill Germs? large image
Can Dog Drool Kill Germs?
Fourth Grade
Engineering and Science Inquiry
This science experiment tests if dog saliva can really help heal wounds.
Activity
Can Dog Drool Kill Germs?
Can Dog Drool Kill Germs?
Activity
Can Dog Drool Kill Germs?
This science experiment tests if dog saliva can really help heal wounds.
Fourth Grade
Engineering and Science Inquiry
Activity
How to Make a Lemon Battery
How to Make a Lemon Battery
Activity
How to Make a Lemon Battery large image
How to Make a Lemon Battery
Second Grade
Engineering and Science Inquiry
For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.
Activity
How to Make a Lemon Battery
How to Make a Lemon Battery
Activity
How to Make a Lemon Battery
For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.
Second Grade
Engineering and Science Inquiry
Activity
Design Challenge: Glowing Bouncy Egg
Design Challenge: Glowing Bouncy Egg
Activity
Design Challenge: Glowing Bouncy Egg large image
Design Challenge: Glowing Bouncy Egg
Pre-K
Engineering and Science Inquiry
In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.
Activity
Design Challenge: Glowing Bouncy Egg
Design Challenge: Glowing Bouncy Egg
Activity
Design Challenge: Glowing Bouncy Egg
In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.
Pre-K
Engineering and Science Inquiry
Activity
Feeding Plants
Feeding Plants
Activity
Feeding Plants large image
Feeding Plants
Kindergarten
Engineering and Science Inquiry
This project explores whether plants can live and grow when "watered" with juice, soda, or milk.
Activity
Feeding Plants
Feeding Plants
Activity
Feeding Plants
This project explores whether plants can live and grow when "watered" with juice, soda, or milk.
Kindergarten
Engineering and Science Inquiry
Activity
Grow Salt Crystals!
Grow Salt Crystals!
Activity
Grow Salt Crystals! large image
Grow Salt Crystals!
Third Grade
Earth and Space Science
Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.
Activity
Grow Salt Crystals!
Grow Salt Crystals!
Activity
Grow Salt Crystals!
Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.
Third Grade
Earth and Space Science
Activity
Horse Memory
Activity
Horse Memory
Second Grade
Engineering and Science Inquiry
Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.
Activity
Horse Memory
Activity
Horse Memory
Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.
Second Grade
Engineering and Science Inquiry
Activity
Sand Bridge
Sand Bridge
Activity
Sand Bridge large image
Sand Bridge
Fourth Grade
Engineering and Science Inquiry
Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.
Activity
Sand Bridge
Sand Bridge
Activity
Sand Bridge
Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.
Fourth Grade
Engineering and Science Inquiry
Activity
Speaking Cat
Speaking Cat
Activity
Speaking Cat large image
Speaking Cat
Second Grade
Engineering and Science Inquiry
Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.
Activity
Speaking Cat
Speaking Cat
Activity
Speaking Cat
Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.
Second Grade
Engineering and Science Inquiry
Activity
Lung Model
Lung Model
Activity
Lung Model large image
Lung Model
Fourth Grade
Life Science
Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.
Activity
Lung Model
Lung Model
Activity
Lung Model
Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.
Fourth Grade
Life Science
Activity
Favorite Colors
Favorite Colors
Activity
Favorite Colors large image
Favorite Colors
Second Grade
Engineering and Science Inquiry
Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.
Activity
Favorite Colors
Favorite Colors
Activity
Favorite Colors
Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.
Second Grade
Engineering and Science Inquiry
Activity
Naked Egg
Naked Egg
Activity
Naked Egg large image
Naked Egg
Third Grade
Engineering and Science Inquiry
While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!
Activity
Naked Egg
Naked Egg
Activity
Naked Egg
While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!
Third Grade
Engineering and Science Inquiry
Activity
The Single Fixed Pulley System
The Single Fixed Pulley System
Activity
The Single Fixed Pulley System large image
The Single Fixed Pulley System
Second Grade
Engineering and Science Inquiry
Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.
Activity
The Single Fixed Pulley System
The Single Fixed Pulley System
Activity
The Single Fixed Pulley System
Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.
Second Grade
Engineering and Science Inquiry
Activity
Water Transport in Plants
Water Transport in Plants
Activity
Water Transport in Plants large image
Water Transport in Plants
Third Grade
Engineering and Science Inquiry
In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!
Activity
Water Transport in Plants
Water Transport in Plants
Activity
Water Transport in Plants
In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!
Third Grade
Engineering and Science Inquiry
Activity
Flying Potato
Flying Potato
Activity
Flying Potato large image
Flying Potato
Fourth Grade
Physical Science
These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.
Activity
Flying Potato
Flying Potato
Activity
Flying Potato
These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.
Fourth Grade
Physical Science
Activity
Star Clock
Star Clock
Activity
Star Clock large image
Star Clock
Third Grade
Engineering and Science Inquiry
In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!
Activity
Star Clock
Star Clock
Activity
Star Clock
In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!
Third Grade
Engineering and Science Inquiry
Activity
The Chemistry of Dyeing Easter Eggs
Activity
The Chemistry of Dyeing Easter Eggs
Fourth Grade
Engineering and Science Inquiry
What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!
Activity
The Chemistry of Dyeing Easter Eggs
Activity
The Chemistry of Dyeing Easter Eggs
What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!
Fourth Grade
Engineering and Science Inquiry
Activity
Fastest Way to Cool a Soda
Fastest Way to Cool a Soda
Activity
Fastest Way to Cool a Soda large image
Fastest Way to Cool a Soda
Fourth Grade
Engineering and Science Inquiry
In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.
Activity
Fastest Way to Cool a Soda
Fastest Way to Cool a Soda
Activity
Fastest Way to Cool a Soda
In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.
Fourth Grade
Engineering and Science Inquiry
Activity
How to Make a Steam Powered Rocket Boat
How to Make a Steam Powered Rocket Boat
Activity
How to Make a Steam Powered Rocket Boat large image
How to Make a Steam Powered Rocket Boat
Fourth Grade
Engineering and Science Inquiry
Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.
Activity
How to Make a Steam Powered Rocket Boat
How to Make a Steam Powered Rocket Boat
Activity
How to Make a Steam Powered Rocket Boat
Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.
Fourth Grade
Engineering and Science Inquiry
Activity
Heat from Light Bulbs
Activity
Heat from Light Bulbs
Fourth Grade
Engineering and Science Inquiry
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
Activity
Heat from Light Bulbs
Activity
Heat from Light Bulbs
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
Fourth Grade
Engineering and Science Inquiry
Activity
Form and Function
Form and Function
Activity
Form and Function large image
Form and Function
First Grade
Engineering and Science Inquiry
Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
Activity
Form and Function
Form and Function
Activity
Form and Function
Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
First Grade
Engineering and Science Inquiry
Activity
Electric Science: Make a Battery!
Electric Science: Make a Battery!
Activity
Electric Science: Make a Battery! large image
Electric Science: Make a Battery!
Fourth Grade
Physical Science
Try this chemistry experiment with your curious kid and get some "shocking" results!
Activity
Electric Science: Make a Battery!
Electric Science: Make a Battery!
Activity
Electric Science: Make a Battery!
Try this chemistry experiment with your curious kid and get some "shocking" results!
Fourth Grade
Physical Science
Activity
Simple Machines: Wheel and Axle
Simple Machines: Wheel and Axle
Lesson Plan
Simple Machines: Wheel and Axle large image
Simple Machines: Wheel and Axle
Second Grade
Physical Science
What do a bicycle and a car have in common? They both move using the simple machine wheel and axle. In this lesson, students learn about how this simple machine works, and will identify objects that use a wheel and axle.
Lesson Plan
Simple Machines: Wheel and Axle
Simple Machines: Wheel and Axle
Lesson Plan
Simple Machines: Wheel and Axle
What do a bicycle and a car have in common? They both move using the simple machine wheel and axle. In this lesson, students learn about how this simple machine works, and will identify objects that use a wheel and axle.
Second Grade
Physical Science
Lesson Plan
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