Issue — October 2026

Quiz: Great Scientists

B1 Quiz 16 sentences

Quiz: Great Scientists 0 / 16

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Curie, Darwin, Einstein — a quiz about the people who explained the world.

Pioneers of Discovery

Throughout history, a few curious minds have changed how we understand the world. Marie Curie was a Polish-French scientist who discovered two radioactive elements: polonium and radium. Her research on radiation earned her two Nobel Prizes, making her one of the most famous scientists of all time. Charles Darwin, a British naturalist, spent years observing animals and plants. His famous theory of evolution explained how living things change over time through a process called natural selection. Albert Einstein, a German-born physicist, completely changed our understanding of the universe. His theory of relativity showed that energy and matter are connected by his famous equation, E=mc².

How Science Changed the World

These great scientists shared important qualities. They were curious, patient, and not afraid to ask difficult questions. Every scientific discovery began with a simple observation, followed by careful experiments. Today, scientists study the smallest atom and the largest galaxies, building on the work of people like Curie, Darwin, and Einstein. Their courage to challenge old ideas opened the door to modern medicine, technology, and space travel. Schools, museums, and streets around the world are named after them, reminding us that one curious mind can truly change the world.

Quiz

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1According to the article, what did Marie Curie discover?

The text says Curie discovered two radioactive elements: polonium and radium.
2The article says Darwin's theory explained how:

Darwin's theory of evolution explained how living things change over time through natural selection.
3According to the text, what opened the door to modern medicine, technology, and space travel?

The article states that their courage to challenge old ideas opened the door to modern science.
4What does the article say every scientific discovery began with?

The text says: "Every scientific discovery began with a simple observation."
5In the context of the article, a "naturalist" is a person who:

Darwin is described as a naturalist who spent years observing animals and plants.

Must Know 10

atom Noun The smallest unit of a chemical element that can exist on its own and retains the properties of that element.
discovery Noun The act of finding or learning something for the first time, or something that has been found or learned after investigation.
element Noun one of the basic parts that something is made of; a fundamental quality or idea within a system or subject
energy Noun The ability or capacity to do work, produce change, or perform actions. It can refer to physical power, mental vigor, or a type of power resource such as electricity or fuel.
evolution Noun Evolution is the gradual process by which living things change and adapt over long periods of time through natural selection. It can also refer to the gradual development of something from a simple to a more complex form.
experiment Noun A scientific test or procedure carried out to observe what happens and to discover something new.
radiation Noun Radiation is the process of sending out energy in the form of light, heat, or other rays; it also refers to the energy that is sent out in this way.
research Noun Systematic investigation or study to discover new information or understand something better.
theory Noun A set of ideas that explains something, based on general principles rather than specific facts or proof.
universe Noun All of space, stars, planets, galaxies, and everything that exists in them; the whole cosmos.