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?

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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

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

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.