New Age of Science and Technology Crossword
This printable crossword puzzle on the topic of World History (General) has 10 clues. Answers range from 5 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
a French scientist that theorized bacteria
the process of heating food or liquid to kill bacteria
something that kills and prevents the spread of bacteria
a treatment which makes the body stronger against a particular infection
The removal of all microorganisms and other pathogens from an object or surface by treating it with chemicals or subjecting it to high heat or radiation
the roads, canals, sewers, public services, and transportation networks that allow a community to function
a powered rail vehicle used for pulling trains
an artificial waterway constructed to allow the passage of boats or ships inland or to convey water for irrigation
a substance that induces insensitivity to pain
the rapid spread of infectious disease to a large number of people
