Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

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

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

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 fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This easy at-home experiment is a great way to "see" science.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

The purpose of this science fair project is to build a basic radio.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

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

This science fair project idea produces sounds by creating vibrations using different objects.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

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.