20 Questions

Scientists used flame tests to identify elements long before the invention of emission spectroscopy. Young chemists observe a flame test of five metal cations in the fourth lesson of an 11-part series. Individuals then work...

If you knew that you were likely to develop Alzheimer's disease in your future, how would it affect your life in the meantime? This and other similar thought-provoking questions are discussed in a lesson plan about the availability of...

Assess your young scientists' understanding of the difference between observation and inference with this 20-question multiple choice quiz. It reviews a variety of physics and astronomy concepts, such as solar eclipses and sunspots, the...

After looking at the many aspects of the issues behind genetic testing, learners are exposed to the pros and cons and must take a stand by writing a position paper. They will view the "Who Gets to Know?" video and/or reading case studies...

How are animals in separate but nearby habitats related? Ecology scholars compare the animal inhabitants of the Gorongosa National Park in part seven of an eight-part series. Learners study photos from two different habitats, then...

How can mineralogists tell a diamond in the rough from a chunk of table salt? Science scholars find out through an interactive that demonstrates the characteristics of minerals used for identification purposes. Topics include hardness,...

How can a chemist tell what gas a chemical reaction produced? Part two of a ten-part series prompts pupils to discover a number of simple tests that can reveal the identity of a gas. The video reinforces the concepts of solubility,...

Want to know a secret? Young chemists may dismiss the idea of needing to test for the presence of water after a chemical reaction,  but when you tell them they can create invisible ink in the process, that might get their attention!...

Polyatomic ions... where do I begin? One of the most difficult concepts for budding scientists to learn and recognize comes to life in an enlightening resource. Show pupils some demonstrations, via the sixth video in a series of 10, to...

Einstein once said "A person who never made a mistake never tried anything new." Enlist his help in teaching young learners the importance of looking for mistakes in hypotheses. An interactive coaches pupils in the falsifiability of...