Showing Results for add and subtract

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea investigates if fats add to the flavor of food.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project will help students learn about non-vascular plants, such as mosses.

Making your own glass cleaner is easy, effective and inexpensive!

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

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

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.

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

Will increasing the amount of salt in water effect how slow or fast the water freezes?

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.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Learn all about balance and motion as your child designs a corn maze!

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

This surprisingly good glue recipe comes from common kitchen items.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

I scream, you scream, we all scream for homemade spearmint ice cream!

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Science fair project that examines condensation and the conditions needed in order for dew to form.