This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Science fair project that demonstrates how stalagmites and stalactites are formed.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

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

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

In this design challenge, your child will create a parachute for a small toy using typical household items.

This science fair project idea identifies trees using a dichotomous key.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project collects information on the Internet about yourself and others.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This science fair project teaches students about wilting and browning of salad greens.

By dropping a magnet through a copper tube, kids observe the cool (and bizarre) braking effect produced by the eddy currents predicted by Lenz's law.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.