Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

In this project, a mnemonic is used to test how it increases memory.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science fair project idea produces varying pitches of sound.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Science fair project that determines whether mass and weight are the same or different.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.