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

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.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

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

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

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

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

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

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.

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

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!

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!

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

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

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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

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.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.