This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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

This science fair project idea investigates whether plants can survive being frozen.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

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

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

This science project allows students to study the psychology of happiness.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

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

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

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This project examines what types of objects burn and which burn faster and cleaner.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

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

This science fair project idea researches the effects of acid rain on plant growth.