Chemical reactions happen around us all the time; whether we're cooking or cleaning or digesting our food! With these chemistry projects, you'll be able to experiment with color-changing chemicals, test the nutrients of different food substances, grow crystals, make invisible ink, and much more.
demagogue (plural demagogues) (pejorative) A political orator or leader who gains favor by pandering to or exciting the passions and prejudices of the audience rather than by using rational argument. quotations â¼ 1938, Aristophanes, The Knights, 424 BC, tr.
Demarcation Point. Definition - What does Demarcation Point mean? A demarcation point is the physical point at which a telecommunications company's public network ends and the customer's private network begins. The demarcation point is often the point at which the cable physically enters the building, but this varies from one country to another. The demarcation point defines where the telephone companyâs responsibility for maintenance ends and the consumer's responsibility begins.