Science Projects

How to Preserve a Carved Pumpkin — See how to preserve a carved pumpkin. Get tips to make a pumpkin last longer and learn which methods don't work.

How to Preserve a Carved Pumpkin

This entry was posted on October 5, 2020 by Anne Helmenstine (updated on October 5, 2020)

All you need is a red poinsettia and water to make poinsettia pH indicator. — Learn how to make poinsettia pH indicator. See how to turn it into pH paper test strips and what colors to expect.

Poinsettia pH Indicator Instructions

This entry was posted on September 27, 2020 by Anne Helmenstine (updated on September 27, 2020)

Got dry ice? Here are 15 fun dry ice activities and science projects to try. — Find cool and fun things to do with dry ice. Make fog, fizzy fruit, and ice cream. Make a spoon sing, inflate balloons, and more.

Fun Things to Do With Dry Ice

This entry was posted on September 26, 2020 by Anne Helmenstine (updated on September 26, 2020)

6th grade science fair projects should be fun and educational. — Get ideas for 6th grade science fair projects. See how to apply the scientific method to any project.

6th Grade Science Fair Projects

This entry was posted on September 8, 2020 by Anne Helmenstine (updated on September 9, 2020)

Disappearing ink is an example of an acid-base reaction that turns a colored ink into a colorless one. — Learn how to make disappearing ink that is blue, red, or purple and vanishes in air. Understand the acid-base chemistry involved.

How to Make Disappearing Ink

This entry was posted on September 7, 2020 by Anne Helmenstine (updated on September 10, 2020)

Old Nassau or Halloween Clock Reaction — Wow students with the Halloween clock reaction, also called the Old Nassau reaction. This color change reaction goes from orange to black.

Halloween Clock Reaction – Old Nassau Reaction

This entry was posted on September 5, 2020 by Anne Helmenstine (updated on September 5, 2020)