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Grade 5 reading · Timeline

Timeline: Kathleen Lonsdale

This timeline shows important events in the life of Kathleen Lonsdale, who is remembered for using X-rays to discover the shapes of molecules. Read it from top to bottom to follow the events in order.

Kathleen Lonsdale: timeline
Year	Event
1903	Lonsdale is born in Newbridge, Ireland
1929	Used X-rays to prove that the benzene ring is flat
1945	Became one of the first two women elected Fellows of the Royal Society
1949	Became a professor at University College London
1971	Lonsdale dies

Questions

Read a timeline According to the timeline, what happened in 1945?
Began working as a mathematician at the agency that later became NASA Sent pages of his results to the mathematician G. H. Hardy in England Became one of the first two women elected Fellows of the Royal Society Used X-rays to prove that the benzene ring is flat
Read a timeline In what year did this happen? "Used X-rays to prove that the benzene ring is flat."
1949 1971 1903 1929
Read a timeline According to the timeline, where was Kathleen Lonsdale born?
Newbridge, Ireland Erode, India Diamond, Missouri Johannesburg, South Africa
Timeline math How many years does the timeline cover from the first event after birth to the last event in the list?
30 15 20 46
Text features Why is a timeline a good way to show this information?
It shows how big things are. It shows where places are on a map. It explains the meaning of words. It shows events in the order they happened.

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