文档介绍：What do you know about great scientists? Try this quiz and find out who knows the most. Module 5 Unit 1 Great scientists 1. Which scientist discovered that objects in water are lifted up by a force that helps them float? Archimedes 2. Who wrote a book explaining how animals and plants developed as the environment changed? Charles Darwin 3. Who invented the first steam engine? Thomas en 4. Who used peas to show how physical characteristics are passed from parents to their children? Gregor Mendel