Mind Map of the text
Read the passage and number these events in the order that they happened.
2 John Snow began to test two theories. 1 An outbreak of cholera hit London in 1854. 4 John Snow marked the deaths on a map. 7 He announced that the water carried the disease. 3 John Snow investigated two streets where the
Task 2
Read and answer
1 Why couldn’t the cholera be under control at first?
Neither its cause, not its cure was understood.
2 Which theory did John Snow believe in? People absorbed cholera into their bodies with their meals.
Great scientists
Words and expressions
What do you know about great scientists? Try this quiz and find out who knows the most?
Are you ready? Let’s go!
1. Which scientist discovered that objects in water are lifted up by a force that helps them