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This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

This science fair project idea explores how length affects the weight a bridge can hold.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

Investigate which substances are most effective at removing salt from water.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Test whether spot magnets can help improve the symptoms of an injury.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

This experiment will investigate whether reward or punishment is more apt to motivate people.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Make sourdough bread...and learn some colonial history and modern science in the process!

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

Here's a pressed leaf card project that puts science and writing together for your second grader.