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

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

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

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.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

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!

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

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

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

If you love the idea of handing out holiday tins of homemade cookies but you're not a baker, chocolate-covered apples are the perfect solution.

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

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.

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

Encourage imagination and creativity with this magical craft that lets your child make and design his very own dragon egg.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

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