In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

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

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

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

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This science fair project idea determines which flower lasts the longest.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

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

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

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

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.