Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

This science project teaches students to classify different shapes of leaves.

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

In this science fair project, students examine how temperature affects sugar transport within a plant.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea demonstrates that plants give off water.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

This experiment will explore if and where fractals can be found in the natural world.

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.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project examines whether ocean water can be made safe to drink.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

This project is about after-images and what possibly affects them.