Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science experiment has students test whether a snail moves faster on concrete or dirt.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Cleaning can be a chore, but not with this sudsy experiment!

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea determines which method of hand cleansing is the most effective.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

In this project, the affect of acid rain is simulated by the acid, vinegar.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

The project determines which type of birds prefer which type of birdseed.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.