UD5 S13 Modal Verbs & Scientific Vocabulary

Who ___ have invented the telephone?

• might

• may

• can

Alexander Graham Bell was a famous ___ who changed communication.

• discovery

• inventor

• experiment

This machine ___ help scientists analyze data faster

• could

• discovery

• invent

Which sentence is correct?

• Marie Curie was a great invention

• The experiment might failed.

• Thomas Edison was an inventor.

What is an “invention”?

• A place where people meet

• A new idea or machine that is created

• A mistake in an experiment

You ___ use protective glasses during science experiments

• may

• might

• should

    The discovery of penicillin ___ have saved millions of lives.

• might

• could

• can

  Which word fits best? “He is conducting an important ___ in the lab.”

• invent

• invention

• experiment

Which modal verb shows possibility?

• must

• can

• might

Choose the correct sentence.

• The scientist made a big experiment.

• The inventor discovered a new material.

• The invention was an interesting discoverying.