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The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

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

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

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

Find out which kind of bubble wrap fares best when put in impact.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

Evaluate gender differences in processing visual information.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Examine whether males or females are more likely to have a higher center of gravity.

This science fair project idea explores the fastest average speed a human can talk.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

This fascinating science fair project explores eye color genotypes.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Science fair project that determines how we can change potential energy into kinetic energy.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?