Obsolete Science

Obsolete science – mini-project

Prepare a short (5 minute) presentation answering the following three questions about the theories below (your group will be allocated a portion of them – don't attempt the whole list!)

1.Why did people believe these theories?
2.Why do people no longer believe these theories?
3.Are these theories now obsolete, or did they lead to refined versions which we still currently accept?

Spontaneous generation
Maternal impression
miasma theory of disease
recapitulation theory
caloric theory
phlogiston theory
anomalous water
luminiferous aether
steady state theory of the universe
Rutherford model of the atom
N-rays
cold fusion
flat Earth theory
the Open Polar Sea
alchemy
astrology
phrenology
numerology