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

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

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

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

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 fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

In this experiment, you experiment with laser jet toner, a magnetic fluid, as it moves, bubbles, and forms unique shapes.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project idea examines the reason boats are shaped and engineered.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This experiment investigates whether there are certain sounds that affect men and women differently

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.