Todd Helmenstine


About Todd Helmenstine

Todd Helmenstine is the physicist/mathematician who creates most of the images and PDF files found on sciencenotes.org. Nearly all of the graphics are created in Adobe Illustrator, Fireworks and Photoshop. Todd also writes many of the example problems and general news articles found on the site.

Butterfly Word Search
Butterflies have been called flying flowers and equated with happiness. Word searches are another form of happiness. This butterfly word search is a great way to spread the joy and learn a little about butterflies.

Butterfly Word Search



Radioactivity Word Search
Radioactivity is a topic covering ionizing radiation or particles caused by interactions of an atomic nucleus. This radioactivity word search contains 24 different glossary terms covering radiation and radioactivity.

Radioactivity Word Search



Flowers are that special bit of color to any landscape. They make generic green bushes into distinctive and unique objects of attention. This flowers wordsearch contains the common names for 39 of these colorful blossoms.

Flower Word Search