What is the sprouting of a new plant structure called?
Question 2 of 10
The positive terminal is a copper anode with a high voltage and the negative terminal is an iron anode with a low voltage. What is this?
Question 3 of 10
Although Ascanio Sobrero invented this, it was Alfred Nobel who figured out to a way to let that poisonous (and extremely dangerous) yellow oil soak harmlessly (for a while) into clay, creating dynamite. What is it?
Question 4 of 10
In which part of the bone is blood made?
Question 5 of 10
Which season does the part of Earth tilted towards the sun experience?
Question 6 of 10
How do scientists refer to the direction from which the wind is blowing?
Question 7 of 10
What beast "cries" tears that today symbolize insincerity, but that actually help it get rid of excess salt?
Question 8 of 10
Who was the first U.S. woman astronaut?
Question 9 of 10
What part of your car was made obsolete by the fuel-injection system?