This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

This science fair project idea investigates whether plants can survive being frozen.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science fair project idea explores substances that cause a bubble to last longer.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this project students experiment with making music using only glasses of water.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Make sourdough bread...and learn some colonial history and modern science in the process!

This science fair project idea explores whether talking to a plant will help it grow.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

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

An home science experiment for older students that teaches about the science behind heat.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

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

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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

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

In this experiment we will be determining whether birds prefer certain colors of seed.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Give your budding young observers a chance to discover simple machines at use in their own home.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.