Biology
By definition an aerobe is an organism that lives only in the presence of this element
What is oxygen?
It's the only chemical element that weighs less than helium
What is hydrogen?
"Energy is never created or destroyed" is one way of stating the law of this "of energy"
What is conservation?
The Earth is the only planet in our solar system to have 2/3 of its surface covered by this
What is water?
The number of degrees in any one angle in a rectangle
What is 90?
Most of these catalysts are proteins that end with the letters -ase
What are enzymes?
A proton has approximately the same mass as this other type of subatomic particle
What is a neutron?
At earth's surface the acceleration produced by this force is about 32 feet per second squared, or 9.8 meters per second squared
What is gravity?
In a double one of these weather phenomena, the colors in the secondary one are reversed
What is a rainbow?
By rule, x to the -nth power equals 1 over this
What is x to the nth power?
During this 13-letter process, plants lose water in the form of vapor escaping through their leaves
What is transpiration?
On the Kelvin scale -459.67 degrees Fahrenheit equals this 2-word term, & though "very cold!" is technically right, I won't accept it
What is absolute zero?
Seems like you & I are on the same this, a property of both light & sound denoted by the Greek letter lambda
What is wavelength?
Ancient Greek for "slope" gives us this weather word often in the news for the way it's changing
What is climate?
As an angles increases from 0 to 90 its sine increases from 0 to 1 & this decreases from 1 to 0
What is its cosine?
This, the beginning of growth for a seed, requires 3 basic elements: water, oxygen & the right temperature
What is germination?
In a combustion reaction, these are the products
What are carbon dioxide and water?
From the Greek for "heat" & "power", it's the branch of physics dealing with the flow of heat & energy
What is thermodynamics?
The 3 major rock classes are igneous, sedimentary & this, formed by changes to the other 2 types
What is metamorphic?
A triangle with 3 equal sides is equilateral; 2 equal sides, isosceles; no two equal sides, this
What is scalene?
In taxonomy, animals are classified by domain, then kingdom, then this subdivision
What is phylum?
By combining nitrogen & hydrogen, Fritz Haber created a process to create this gas needed for fertilizers
What is ammonia?
Around 1800 William Herschel found that this type of radiation he called "radiant heat" is closely related to visible light
What is infrared?
If a mineral is scratched by topaz but not quartz, its hardness lies between 7 & 8 on this scale
What is the Mohs scale?
This is a 3-dimensional geometric body with a surface that's equidistant from its center at all points
What is a sphere?