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 science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

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

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.

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.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Determine whether the application of Febreeze will lower the bacterial count.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

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.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

Can cells be frozen? This science fair project provides information to answer this question.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

This project explores what happens to a rubber band when it is heated and cooled.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.