Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Science fair project that creates fog using bottles of hot and cold water.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

This project examines the concentration of dissolved oxygen in water, with and without oil.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This project examines the affect of temperature on viscosity and surface tension of different liquids.