Science Trivia

15

This substance with chemical formula C1O H14 N2, is considered a poisonous alkaloid, and is used as an insecticide. Millions of humans worldwide consume it daily, voluntarily. What is it called?

2

In the late 1970s, the Viking spacecraft sent back to Earth photographs and reports about the surface of which planet?

11

What was the name of the French inventor who, around 1790, invented a machine designed to provide criminals with a humane method of execution?

18

How many planets in our solar system have no moon?

6

In human reproduction, the X-and Y-chromosomes determine gender. Is the X-chromosome associated with male or female characteristics?

3

Which has a higher boiling temperature? Water or alcohol?

16

What is the name of the figure formed by the seven brightest stars in the constellation Ursa Minor, one of which is Polaris, the North Star?

12

What is the name of the process by which green plants convert the energy of sunlight into chemical energy?

5

The subject of algebra was invented around the 9th century by which people?

8

When 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?

6

In Bay Area there is an organization called "Lovers of the Stinking Rose," dedicated to what miracle bulb?

19

a. 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?

10

This 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?

1

In physics, what property 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?

15

What do you call curved lines on a weather map connecting regions of equal atmospheric pressure?