Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Get a better understanding of water content by dehydrating carrots.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project idea compares the cuteness reaction between genders.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

In this project, the affects of vitamin E are observed on a rose petal.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

This science fair project idea's objective is to understand the architecture and function of neurons and their key components.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project idea explores how water and ice can change the form of rocks.

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

This science fair project idea explores which kinds of earplugs are the most effective.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

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!

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Determine which metal has the highest rate of conductivity.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

The objective of this science fair project is to explore whether superabsorbent polymer or hyrdrogel crystals have the best waterabsorbency.