Theories L I F E L I N E

To be accepted , a theory must be supported by evidence.Out of two rival theories, accept the theory that is supported more strongly by the evidence.

KeyWords

Write down the competing theories

Which theory does the

evidence support

SS1

vs

Evidence Theory 1 Theory 2 Which theory is best supported by the evidence?

List the evidence

Which theory is

supported by more

evidence?

Remember – you can change your mind as new evidence is provided.