Make sourdough bread...and learn some colonial history and modern science in the process!

In this design challenge, your child will make a bottle rocket using typical household items.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Make a spring collage with your child to get them outside and those creative juices flowing!

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

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

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

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.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Learn with makes water molecules work with this fun and easy science activity!

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.