Showing Results for area of a rectangle using square units : Page 9

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

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

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Make a spring collage with your child to get them outside and those creative juices flowing!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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!

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

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

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin