Showing Results for compare with same denominators 2 : Page 16

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Find out which kind of bubble wrap fares best when put in impact.

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair project idea investigates how color affects temperature.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Construct and experiment with a periscope using reflected light rays to gather an image.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

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

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.

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

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!