Yearly Archives: 2016



Connect an LED to a battery to make an LED glowie. Anne Helmenstine
Here are simple instructions for making your own LED glowies and LED throwies. LED glowies are glowing Light Emitting Diode or LED devices, while LED throwies are LED glowies that you can toss and stick onto any ferromagnetic surface. Both LED projects are easy and fun. Materials for LED Glowies […]

How to Make LED Glowies and Throwies


Borax Crystal Star (Anne Helmenstine)
Make a sparkling homemade crystal Star of David to celebrate the holidays! This project is extremely easy, resulting in a keepsake ornament overnight. Crystal Star of David Materials 2 pipecleaners – use glittery ones to get opalescent colors very hot water borax Make the Star of David To form the […]

Borax Crystal Star of David Holiday Ornament



Green Leaf (Stiller Beobachter)
Have you ever wondered why plants are green instead of blue or purple? It’s because they are chock full of chlorophyll. Plants use the pigment chlorophyll to absorb the solar energy they need to perform photosynthesis, converting carbon dioxide and water into sugar (glucose) and oxygen. Chlorophyll appears green to […]

Why Chlorophyll Is Green


Biology Word Search
Biology Word Search is a word search puzzle using glossary terms associated with middle school biology courses. These biology topics include words dealing with living systems, genetics, the cell, and the environment. The words can be found running left/right, up/down and diagonally within the array of letters. Word searches can […]

Biology Word Search – Science Word Searches


Earth Science Word Search
Earth Science Word Search is a word search puzzle using glossary terms associated with the Earth Sciences. The Earth Sciences include the study of meteorology, geology, and astronomy.   The words can be found running left/right, up/down and diagonally within the array of letters. This activity can be a fun way […]

Earth Science Word Search