Hard Science Quiz
What animals built a 1000-foot dam discovered in Colorado's Rocky Mountain National Park?
What instrument measures altitude?
As Ella Fitzgerald would know, what does forced oscillation resonance do to glass?
Our Sun sits about two thirds of the way out on the Orion Arm of what galaxy?
Which of these are ideal air conditions to cause a thunderstorm?
Of these elements, which is the most toxic to humans?
What season is between winter and summer?
What is the boundary that surrounds the cell membrane and separates the cell from its environment?
The pterosaurs, often called pterodactyls, weren't dinosaurs, largely for what reason?
By an amazing coincidence, hurricanes occur alphabetically! But some letters aren't used. Which of these letters can a hurricane's name begin with?