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

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

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

During the Passover Seder, many Jewish families pour a cup of red wine for Elijah. This year, help your child create his own welcoming glass for Elijah.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

If your Father's Day festivities include meeting up with extended family, why not put all the dads to the test with a chili cook-off?

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

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

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

This science fair project idea determines which flower lasts the longest.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

Make pickled carrots at home! Here's a fun activity to get your child in the kitchen and make something special with no fuss or muss.

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

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

This experiment will explore the best way to create a perfect soft-boiled egg.

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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!