Extremely Hard Science Quiz Even Einstein would scratch his head!
What theory proposes that Earth's landmasses were once connected and drifted apart?
Which of these landforms is an area of land lying between hills or mountains?
What black and red butterfly migrates to Canada from Mexico, using internal "compasses" to track its position relative to the sun?
I invented the ice calorimeter, a filter pump and the zinc-carbon electric cell, but my name is attached to one of Michael Faraday's inventions, a gas burner that produces a steady, smokeless flame. Who am I?
You can layer this as straw or wood chips, which lets air in, but not as much water, so weeds have a harder time growing. What is it?
What is a huge river of ice called?
What science primarily concerns the study of living organisms?
What does the immune system use to recognize bacteria and viruses?
In which of these would botulism more likely be found?
According to Hindu thinker Kanada, "Weight causes falling; it is imperceptible and known by inference." What phenomenon was he explaining?