Instructions 20Q Game: These are similar to full games, but for quizzes larger than 20 questions it will randomly select 20 questions from within the set. This is a quick way to get in some studying of a topic.     
What children's television show is described as:
Aired on PBS from 1980 to 1988
A production of the Children's Television Workshop which taught scientific principles and their applications. The show had multiple hosts including Kelly Pino, Tannis Vallely, and Dennis Weaver.
"Steampipe Alley"
"Daniel Tiger's Neighborhood"
"Reading Rainbow"
"3-2-1 Contact"