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.

The project researches how lubricants affect the mechanical advantage of a pulley.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science fair project idea investigates food preference of birds.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Compare different remedies for cooling the mouth after eating spicy food.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.