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🔬 Scientists and Inventions

Years 6 to 10 · Read up first

10 questions. Get 8 right to earn 10 minutes. All 10 right = +5 bonus. They start easy and get harder as you go, so treat the first few as a warm-up. Every one you miss comes back with the answer and why.

1. Isaac Newton described mathematically which force, explaining why planets orbit the sun and why objects fall to the ground?

MagnetismFrictionElectricityGravity

2. The theorem relating the three sides of a right angled triangle is usually named after which ancient Greek thinker?

AristotlePythagorasArchimedesEuclid

3. Alan Turing's codebreaking work during the Second World War focused on decoding messages sent using which German machine?

The radar systemThe Enigma machineThe Analytical EngineThe telegraph

4. Antoine Lavoisier, who helped identify oxygen and hydrogen as elements, is often called the father of modern what?

PhysicsChemistryBiologyAstronomy

5. Johannes Gutenberg's mid-1400s invention, which transformed how books were made and shared in Europe, was what?

The movable type printing pressThe telescopeThe steam engineThe electric motor

6. Katherine Johnson also checked, by hand, the computer's calculations for which 1969 mission?

Apollo 11, the first crewed Moon landingThe first shuttle flightThe first satellite launchThe first space station launch

7. China's magnetic compass, which transformed sea navigation, was developed centuries before it became common where?

EuropeEgyptSouth AmericaAustralia

8. Lavoisier helped establish an important scientific law: that in a chemical reaction, mass is always what?

Reduced to zeroTurned into energyDoubledConserved, neither created nor destroyed

9. Mendeleev's periodic table was remarkable because he deliberately left gaps in it. Why?

Some elements were considered too dangerous to includeHe predicted undiscovered elements would fill them laterHe was not sure the table was correctHe ran out of space on the page

10. Movable type printing, using individual pieces for each character, was invented in China by Bi Sheng roughly how many centuries before Johannes Gutenberg's printing press appeared in Europe?

About four centuriesAbout ten centuriesAbout fifty yearsAbout one century

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