This demonstration illustrates the presence and importance of chemistry in everyday objects, including our food. It is an interesting way to start the discussion of acids and bases or to connect acids and bases to the pH scale and extend the discussion to acid-base indicators. Red cabbage is an example of a naturally-occurring acid-base indicator. Many household products are acids or bases and often products that are used for similar tasks have similar pH values.
The safety air bag system in an automobile uses chemical reactions in order to function. When a collision occurs, a sensor indicates that the car's momentum has changed and this triggers a series of... read more
Peergrade.io is a free website that allows teachers to provide a rubric for students to use to assess peer assignments. The website allows teachers to see student assignments and the feedback they... read more
Students will examine the critical inquiry question: how can understanding the characteristics and needs of animals help people to find/create a habitat that meets those needs? Their challenge... read more