How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

This surprisingly good glue recipe comes from common kitchen items.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

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

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

This project determines how much the rebound rates of tennis balls change after ten games.

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Science fair project that tests whether cats have a preference for organic food.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Determine how good we are at direct and indirect observation.

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!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

Have you or your child ever heard that nursery rhyme and wondered just what curds and whey are anyway? Do this simple experiment together to find out!

Determine whether the relationship between a personâs armspan and height are genetic.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.