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How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Create a bee garden to help shelter bees in your area.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.