Science Activities : Page 19

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

In this experiment you will replicate the mummification process by making a hot dog mummy.

Examine the effect of pressure on carbonation in soda.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

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.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Determine how good we are at direct and indirect observation.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!