Knowledge
/ArcaMax
Which spacecraft passed Mercury three times in 1974 and 1975?
Mariner 5
Apollo 12
Viking 2
Mariner 10
Which of the following happens when air cools?
It Flies Away
It Becomes Lighter
It Becomes Dense
It Automatically Storms
What is the voltage of a D cell battery?
3.5 Volts
1.0 Volts
8.0 Volts
1.5 Volts
What forms when water condenses in the Earth's atmosphere?
Clouds
Puddles
Slides
Rainbows
How many stars make up the Big Dipper?
12
7
4
21
What is a more scientific term for "surrounding temperature"?
Heat Capacity
Breaking Point
Ambient Air Temperature
Absolute Temperature
Which underwater machine helps humans travel around beneath the surface of the ocean?
Boats
Tankers
Submersible
Immersibles
Which of these is the best way scientists can learn about life in the past?
Visit The Zoo
Fossil Record
Build A Time Machine
Ask An Animal
Where on the Earth would oceans be warmer?
Near Alaska
Near The Florida Keys
Near Greenland
Near Maine
What is the constellation in the shape of a winged horse called?
Phoenix
Hydrus
Pisces
Pegasus
A "gustnado" is a gust from what?
A Tornado
A Gale
A Squall
An Earthquake
Which part of the United States has the greatest cluster of estuaries?
Northeast
Southeast
Northwest
Southwest
What is the main structural molecule in hair and nails?
Collagen
Elastin
Keratin
Lecithin
What is a body in orbit around a planet called?
Optics
Horsepower
Galaxy
Moon
Humans have been around for what % of the Earth's history?
2%
0.00%
15%
30%
What is the process that removes salt from sea water?
Desalination
Cessation
Saltification
Transformation
What vitamin did Robert Woodward synthesize in 1971?
Vitamin D
Vitamin B12
Vitamin C
Vitamin B6
What kind of electromagnetic radiation arises only from nuclear excitations?
X-Rays
Ultraviolet Light
Gamma Rays
Microwaves
Which of the following is the smallest?
Virus
Bacterium
Nucleus Of A Red Blood Cell
Red Blood Cell
As much as 80% of marine debris comes from what source?
Wasteful Beachgoers
Polluted Watersheds
Industrial Dumping
Capsized Vessels
