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.

What happens when colored beams of light mix? You might be surprised.

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!

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

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

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

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

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

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.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

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 how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

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

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.