Museum of Tolerance
Family Tree Activity
Discover the family histories that make the classroom with a family tree activity. Scholars locate information about their family, construct a family tree, and work together to tally where family members are born.
Wolfram Research
Wolfram Math World: Vanishing Point
MathWorld offers a definition of vanishing point; contains diagrams of one, two, and three point perspective drawings with arrows pointing to the vanishing points.