This science fair project idea determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.

Learn about emulsification and bile's roles in digestion, and investigate how the digestive enzyme lipase breaks down lipids.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science fair project idea determines effective strategies to help students stay awake and attentive.

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

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

This science fair project idea investigates food preference of birds.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

This science fair project idea identifies clouds as a means of predicting the weather.

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

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.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

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

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

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

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.