Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

In this experiment we will be determining whether birds prefer certain colors of seed.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

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

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

Cleaning can be a chore, but not with this sudsy experiment!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea investigates how the shape of an object affects drag.

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

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea investigates the difference in reaction times between boys and girls.