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.

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

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.

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

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.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

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.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

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

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

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.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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

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.