Showing Results for addition like denominators

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

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Create a self-portrait from natural materials in this collage craft activity!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Help your child make a beautiful homemade sandcastle that will last!

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.