Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

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

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

Determine whether the application of Febreeze will lower the bacterial count.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

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.

Can cells be frozen? This science fair project provides information to answer this question.

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