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.

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

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

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 produces varying pitches of sound.

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

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.

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.

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

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.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

The project determines which laundry detergent is best for cleaning clothes.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

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.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.