Showing Results for area of a rectangle using square units : Page 3

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea examines which type of insulation holds in the most heat.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

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 explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Have your child kick off their summer vacation by making a miniature water slide!

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.

This science fair project examines how seeds hitchhike on animals and clothing.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science fair project idea determines the most effective method of preserving food.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

In this activity your child will create their very own marble maze!

This science fair project teaches students the differences between fruits and vegetables.

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.

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.

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.

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

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

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.

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