Science and nature quiz
Question 1 of 10
Who invented the first engine-powered airplane?
Question 2 of 10
"UHF" is an abbreviation associated with broadcasting. What does it stand for?
Question 3 of 10
What in earth's atmosphere helps most to absorb UVB ultraviolet light from the sun?
Question 4 of 10
How is best defined the medical term "retrospective study"?
Question 5 of 10
What is the name for a toe that is bent and cannot be straightened?
Question 6 of 10
What is it called when a solid changes directly into a gas?
Question 7 of 10
Which of the following is a renewable resource?
Question 8 of 10
Which of these is the primary component of natural gas?
Question 9 of 10
What keeps the salinity of the ocean the same throughout the year?
Question 10 of 10
What geographic circle is at 0 degrees latitude?