What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

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

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

This science fair project idea investigates if fats add to the flavor of food.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

An home science experiment for older students that teaches about the science behind heat.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea produces varying pitches of sound.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This science fair experiment examines the relationship between gender, age, and smiling.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

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