Showing Results for mixed numbers

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Do different types of oil mix or stack? Find out in this science fair project idea!

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!