Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

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.

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:

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

This experiment investigates if small changes in your diet can alter your basal body temperature.

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

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

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

Make pickled carrots at home! Here's a fun activity to get your child in the kitchen and make something special with no fuss or muss.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

This science fair project idea determines which flower lasts the longest.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

This project concerns activity happening millions of miles away, on the sun.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

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

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.