General Knowledge

What is the sun composed of? Why does sweat stink? And how long does it take Earth to orbit the sun?

What is the Richter Scale used for? What is a periscope? And what do the woolly mammoth, the saber-toothed tiger and the T-Rex have in common?

What is the Door to Hell? What is a cyborg? And which field does the grandfather paradox belong to?

What is DNA? What is a ribosome? Challenging scientific trivia for International Women’s Day

Where is most of the calcium in our body? What is the main component of milk?

How many eyes does a spider have? What is the most abundant gas in the atmosphere? Challenging science trivia

A challenging science trivia

What is a seismograph used for? How many stars are in our galaxy? Challenging science trivia

Who was the first man in space? What is a comet? Which star is the biggest star in our solar system?

Who was the first human in space? What is a comet? Which is the biggest star in our Solar System? Explore your knowledge of space

Does most of the oxygen we breathe come from plants? Do all insects have eight legs? What do lasers emit?

What is the scientific name for modern humans? Where did the Aztecs culture originate? What is cellulose? Test your knowledge!

What are allergies? What is the average weight of a cloud? Where can you find melanin?

Which animal has a rattle in its body? Which marine animal is naturally funny?

What do you know about plants? Which food can you make with soy milk? Where does Spelt flour come from?

מה שמו המדעי של האדם המודרני? היכן התקיימה התרבות האצטקית? ומה זה צלולוז?

Math and Science by Mail is a distance education program for curious children.

‎12 scientific terms that have a different meaning in everyday speech

Growing flies inside the skin and swallowing dangerous bacteria. Scientists advancing science using their own body