Showing Results for how when : Page 4

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

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

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.