riddles & quizes

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?

Who is considered the father of geometry? What is a Gaussian bell curve? Mathematical trivia for Pi Day

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?

What do you know about DNA?

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

Which animal is called a vampire? What is umami? What is caries? Challenging science trivia

Where did the outbreak begin? How is it transmitted? Which disease does it cause? Scientific viral 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?

Who squeaks? Who whistles? Who brays? Identify the animals by the sounds they make

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?

Do you know everything about the American manned lunar missions? Try this very hard trivia quiz

Forests are very important. They create oxygen, filter the air, provide shade and prevent

Hello there, Here is a brain-wrecking riddle suggested to us by Pinaki Mondal, a

Hi! Check out this diagram which proves that 64 equals 65! In the top drawing, the large