In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

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!

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

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

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

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.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

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

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

This cookie dough handles like molding clay, but also makes delicious cookies. Use this activity to strengthen your child's alphabet skills.

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

This experiment investigates if stress alters body temperature.

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

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

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