You will research a variety of primary and secondary sources to uncover possible theories and the clues that support them. ... Glenn Miller was a famous big band leader in the 1930s and ‘40s.

The physicist Albert Einstein used Sir Isaac Newton’s theories on gravity as a secondary source to develop his famous theory of relativity. There are around 40,000 science journals published ...

CCSS.ELA-Literacy.RH.11-12.9 Integrate information from diverse sources, both primary and secondary, into a coherent understanding of an idea or event, noting discrepancies among sources. For ...

When you are researching your family history and discover differences in details, how do you decide which is right?