Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

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

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.

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.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.