In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea explores whether white light can be separated into different colors.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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

This project compares the strength of one, two, and three-ply toilet paper.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Do you think heat can affect a plant's growth rate?

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Do different types of oil mix or stack? Find out in this science fair project idea!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.