Chemistry
The vapor of this element, also found in table salt, is used to illuminate street lights.
Sodium
Every odd integer, when written in English, contains what letter?
E
Most of Earth’s breathable air comes from where?
The Ocean
Earth is this number planet from the Sun
3rd planet from the sun
This type of terrestrial ecosystem stores most carbon
Forests
This element is used to make the filaments in incandescent light bulbs.
Tungsten
Two-fifths of a number is 3 less than itself. What is the number?
5
A single tree produces enough air to supply in its lifetime for how many people for a year?
Four people
The Galilean satellites orbit this planet
Jupiter
Forest fires that burn through the top layer of foliage on a tree, known as the canopy. It is the most intense type of fire and often the most difficult to contain.
Crown Fires
This British chemist popularized the atomic theory, and the unit of atomic mass is named after him.
Dalton
What is the probability of drawing a red queen from a standard deck of 52 playing cards?
1/26
What term is used to define a sharp reduction in the size of a population due to environmental events such as famines, earthquakes, etc.
Bottleneck Effect.
The name of the NAU campus observatory.
The Barry Lutz Telescope or the Atmospheric Research Observatory
This largest wildfire in Arizona’s history burned more than half-million acres (538,049 acres) in 2011.
Wallow Fire
This element, when heated, produces a bright purple vapor.
Iodine
Which of the following numbers is divisible by 6? 4516, 4514, 4512, 4510
4512
What term is used when a geographic barrier physically separates part of a species population?
Geographical Isolation
The “M” in many galaxy names – for example, M101 – stands for this.
Messier (French astronomer who cataloged galaxies)
This is the largest collaborative forest restoration project in the US to improve forest/watershed health and reduce the risk of uncharacteristic wildland fire.
The Four Forest Restoration Initiative (4FRI)
This element, discovered by the alchemist Brand in 1669, was the first element to be discovered in modern times.
Phosphorus
A fair coin is flipped 5 times. What is the probability of getting at least one tail?
31/32
It is estimated that more than ___ percent of species on Earth are still undiscovered.
80%
Approximate age of the Universe, to three significant digits.
13.7 billion years
This type of tree depends on a brief blast of heat to release seed. They store their seeds in the canopy via cones or pods and wait for an environmental trigger, such as periodic fire.
Serotinous Tree