Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Science fair project that uses distillation to convert salt water into fresh water.

In this science fair project, students examine how temperature affects sugar transport within a plant.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This science fair project idea measures physical dexterity as a function of temperature.

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

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

Use familiar household items and decorations to turn estimation into a fun game!

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.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Test whether cutting up meats will make it cook faster than just cooking it whole.

The objective of this experiment is to evaluate the effects of acid rain on plants.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

This simple experiment serves as an introduction to the greenhouse effect.

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.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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?

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

Science fair project that cultivates slime mold and monitors the stages of its development.