Showing Results for of a rectangle using square units : Page 5

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

This science project teaches students to classify different shapes of leaves.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This science fair project idea determines what household items are good conductors of electricity.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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

In this project children practice the scientific method while playing with puffy paint.

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

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.