5scienceTropical depressions become tropical storms when maximum winds reach 39 mph. They become hurricanes when winds reach how many miles per hour? (within 3)Show AnswerLearn MoreShare
13scienceAbout 120 drops of water will fill a what? Teaspoon, tablespoon, or one-ounce shot glass?Show AnswerLearn MoreShare
19scienceIf someone suffers from the medical condition called scoliosis, what does that mean in simple terms?Show AnswerLearn MoreShare
7scienceCan you identify the 2nd century Egyptian astronomer who believed that all heavenly bodies revolve around the earth?Show AnswerLearn MoreShare
20scienceThe first microwave ovens were created in which decade: 1970's, 1960's, 1950's, or 1940's?Show AnswerLearn MoreShare
16scienceWhat contracting membrane regulates the amount of light entering the eye? Is it the retina, iris, or pupil?Show AnswerLearn MoreShare
1scienceA great milestone in human science occurred in 1628, when the English physician William Harvey first described what important bodily function or system?Show AnswerLearn MoreShare
9scienceCan you name four materials, considered almost as valuable as gems, and frequently used as jewelry, that come from plants and animals?Show AnswerLearn MoreShare
13scienceUntil the 18th century, this plant was grown for its beauty, but not eaten, since it was believed to be poisonous. Today it can be found in tossed salads. Which plant is this?Show AnswerLearn MoreShare
7scienceOf the chemical elements between #95 and 100, three are named for humans. Name the three.Show AnswerLearn MoreShare
6scienceWhat is the most common gas in the earth's atmosphere? Is it nitrogen, oxygen, ozone, or carbon dioxide?Show AnswerLearn MoreShare