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.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

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'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!

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.

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.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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

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.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy 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?

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.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

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.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

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!

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.