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Discover whether a metal will expand under hot water.

Does Water Temperature Cause Metal to Expand and Contract? 

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Brain Freeze! How Does Temperature Affect Your Mind?

This project examines the concentration of dissolved oxygen in water, with and without oil.

Let Me Breathe, Please!

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Space Shuttle Ceramics

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Cast Iron Pans Versus Regular Teflon Pans

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

Is It Better To Refrigerate Or Freeze To Prevent Bacteria On Foods? 

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Will Refrigerating Cosmetics Extend Their Longevity?

This project examines how temperature affects the volume of gas in balloons.

The Effects of Temperature on Balloons

Check out this sweet recipe idea perfect for celebrating Dia de los Muertos.

Calaveras Mini-Cakes

This science fair project idea investigates how color affects temperature.

Color And Temperature

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Fresh Or Canned Calories?

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Can You Hear Me Now?

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Do It Yourself Weather!

Test whether cutting up meats will make it cook faster than just cooking it whole.

Does Cutting Foods Into Pieces Make It Cook Faster Or Should You Leave It Uncut? 

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

What is the Ideal Temperature Setting for Refrigerators?

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?

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Microclimates

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Evolution of Gas from Yeast

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Balloons! Some Float! Some Sink! How does the Temperature of a Gas Affect its Density?

Use this lesson with your students to practice comparing and contrasting the key details in two texts on the same topic. It can be a stand-alone lesson or a pre-lesson for the *What's Similar? What's Different?* lesson.

Similarities and Differences

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Can Hydrogel Crystals be Used as a Sensitive Humidity Indicator?

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Color and Heat Absorption

Explore  the wattage of microwaves in relevance to cooking time.

Do High-Wattage Microwaves Cook Faster?

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Under What Conditions Do Potatoes Sprout The Fastest

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

What is the Most Effective Winter Coat Insulation?

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

Types of Cookie Sheets

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

Dry Ice Effects

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

What Causes Dew?

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Potato Maze: Make a Plant Obstacle Course!

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?

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