Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

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.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Help your child learn about animal classification with this fun and delicious activity.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This simple experiment serves as an introduction to the greenhouse effect.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Make edible amber fossils with your second grader to explore the fascinating world of science!