8scienceWhen blood is first pumped out of the human heart, it first enters a certain organ, then it returns to the heart a second time before continuing its trip through the body. Which organ is this?Show AnswerShare
6scienceWhat company in the 1970's developed the high-tech concept of a mouse clicking graphical icons to open programs, but dropped the idea, allowing Apple to adopt it as the basis of the Macintosh?Show AnswerShare
6scienceIn Bay Area there is an organization called "Lovers of the Stinking Rose," dedicated to what miracle bulb?Show AnswerShare
11scienceGlobal warming: The average temperature of the earth is about 57o fahrenheit (14o centigrade). In the last 100 years the average global temperature has risen how many degrees? 1, 2, or 4?Show AnswerShare
9scienceWhich German company, maker of precision cameras, revolutionized the world of casual photography in 1930 when it introduced 35 mm film in a canister, easily transportable and smoothly inserted into a camera?Show AnswerShare
19sciencea. How many bones in the human body? b. Of these 206 bones, about 1/4 of them are located in which part of the human body?Show AnswerShare
9scienceWhat unit of electricity is equal to the work done when a current of 1 amp is passed through a resistance of 1 ohm for 1 second? Is it a volt, a watt, or a Joule?Show AnswerShare
9scienceSome questions about the human body: a. In which part of the body do you find the metatarsal bones? b. Which organ produces insulin? c. Which organ produces bile?Show AnswerShare
10scienceThis chemical element makes up about 1/4 of the earth's crust; it is the main ingredient of sand, is the main ingredient of glass, is used in the making of computers, and can also be made into synthetic rubber. What is this element?Show AnswerShare
1scienceIn physics, what unit of measure is defined as the ratio of the mass of a substance to its volume, expressed in grams per cubic centimeter or pounds per cubic foot?Show AnswerShare