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

This project examines whether humans can intuitively grasp numeric values greater than three.

This science fair project idea sheds some "light" on which color of candles burn the longest.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This project compares the strength of one, two, and three-ply toilet paper.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!