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Science Fair Project Ideas

Find the food and weather and climate science fair project ideas you're looking for. Many different science fair projects are available for you to browse through and get ideas for your own science fair project.

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What is a hygrometer? It's a device that measure humidity. Learn how to make a hygrometer in this free science fair project idea. Great project for kids.
Making a Hygrometer
Weather and Climate
Middle School
The purpose of this science fair project is to investigate why honey crystallizes and what may make honey crystallize faster.
Why Does Honey Crystallize?
Food
First Grade
The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.
Fresh Food vs. Frozen Food
Food
Elementary School
Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.
Meat Science!
Food
Fifth Grade
In this science fair project, students make their own rain gauge to measure rainfall.
DIY Rain Gauge
Weather and Climate
Fourth Grade
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Can You Cook Using Only Sunlight?
Weather and Climate
Middle School
Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.
Can Certain Foods Make You Smell?
Food
Middle School
This science fair project ideaexplores whether cooking food destroys potential vitamin levels.
Does Cooking Food Destroy Its Potential Vitamin Levels?
Food
High School
This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.
Which Decaffeinated Tea Type Contains the Least Amount of Caffeine?
Food
Middle School
In this science fair project, you'll make a 'ghost' appear in a test tube, and learn about what happens when hot water and cold water interact.
The Ghost in the Tube
Weather and Climate
Elementary School
In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.
When Air Masses Collide
Weather and Climate
Middle School
In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.
Ripening Avocados
Food
Second Grade
In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.
How Do Weather Conditions Affect How Fast a Puddle Evaporates?
Weather and Climate
Kindergarten
Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Rainbow in a Jar
Weather and Climate
Second Grade
How do clouds form? Can clouds be made manually? In this free science fair project, you can make clouds using simple materials.
Making Clouds
Weather and Climate
Middle School

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