Showing Results for adding mixed number like denominators : Page 4

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.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with 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.

This project compares the strength of one, two, and three-ply toilet paper.

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.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Challenge your learner to design and build a city of their own in this creative engineering activity.

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.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

In this science fair project, young children notice and track changes in trees throughout the year.

Here's a science activity to help your child investigate how seeds are designed to travel.

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?