Science

Question 1

Who invented direct current electricity (also known as the Wizard of Menlo Park)?

Answer 1

Thomas Edison

Question 2

Who invented alternating current electricity?

Answer 2

Nikola Tesla

Question 3

What are the natural “furrows” the divide up the brain called?

Answer 3

Fissures

Question 4

What are the joints that connect parts of the skull called?

Answer 4

Sutures

Question 5

What is the densest naturally occurring element?

Answer 5

Osmium

Question 6

What is the boiling point of water? At what temperature is water the most dense?

Answer 6

100 °C (212 °F); 4 °C

Question 7

What is the most abundant element in the universe?

Answer 7

Hydrogen

Question 8

What is the approximate distance from Earth to the moon?

Answer 8

238,900 miles

Question 9

What is the approximate distance from Earth to the Sun?

Answer 9

92,960,000 miles

Question 10

What is the approximate circumference of Earth?

Answer 10

24,901 miles

Question 11

The point in the orbit of a planet, asteroid, comet, or other Sun-orbiting body where it is nearest the Sun? Point farthest from the Sun?

Answer 11

Perihelion; aphelion

Question 12

Standard Temperature and Pressure (STP)

Answer 12

1 atm, 273 K (0 °C, 32 °F)

Question 13

SI Base Unit for length? Mass? Time? Temperature?

Answer 13

meters (m); kilograms (kg); seconds (s); Kelvin (K)

Question 14

SI Base Unit for electric current?

Answer 14

ampere (A)

Question 15

SI Base Unit for amount of substance?

Answer 15

mole (mol)

Question 16

SI Base Unit for luminous intensity?

Answer 16

candela (cd)

Question 17

What empirical measure relates wind speed to observed conditions at sea or on land? What instrument measure wind speed?

Answer 17

Beaufort wind force scale (0 calm to 12 hurricane force); anemometer

Question 18

What base-10 logarithmic scale assigns magnitude number to quantify energy released by earthquakes? What new scale is now used by USGS to measure all modern earthquakes? What instrument measure motions of the ground, including those of earthquakes?

Answer 18

Richter scale (0 micro to 10 great); moment magnitude scale; seismometer

Question 19

What scale classifies hurricane strength (stronger than tropical depressions/storms) by the intensities of their sustained winds? What are hurricanes in Northwest Pacific called? South Pacific and Indian Ocean?

Answer 19

Saffir-Simpson hurricane wind scale (Category 1 - Category 5); typhoon; cyclones

Question 20

What scale is used to rate tornado intensity?

Answer 20

Enhanced Fujita scale (EF0 - EF5)

Question 21

What effect describes the deflection of moving objects when the motion is described relative to a rotating reference frame?

Answer 21

Coriolis effect

Question 22

What is Newton’s First Law of Motion?

Answer 22

An object in motion/at rest will stay in motion/at rest unless acted upon by an external force

Question 23

What is Newton’s Second Law of Motion?

Answer 23

Force is equal to mass times acceleration

Question 24

What is Newton’s Third Law of Motion?

Answer 24

For every action, there is an equal and opposite reaction

Question 25

The point in the orbit of a heavenly body at which it is farthest from the Earth? Point nearest to the Earth?

Answer 25

Apogee; perigee