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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

Is your child a young ornithologist in the making?

Determine which video game elevates the heart rate best and burns the most calories.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Science fair project that compares tap water and bottled water for the presence of common impurities.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Explore convex and concave objects and how they reflect light.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

This experiment will explore whether adding different substances to a gel affects its strength.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.