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focus 2 unit 2.1

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  • Marie Curie spent many years to ________ on radioactive materials.
    do research
  • Biologists often go outside to _______ and learn about animals.
    observe nature
  • On their expedition, the researchers had to _______ of rare plants and insects.
    collect specimens
  • Scientists often __________ in the laboratory to test their ideas.
    do experiments
  • Alexander Graham Bell managed to ________ the telephone.
    invent
  • Isaac Newton helped to _________ of gravity.
    develop theory
  • It's important to _______ during the lesson so you don’t forget key facts.
    take notes
  • Galileo was the first to __________ the moons of Jupiter.
    discover
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