Biology
These compounds are called the building blocks of protein
What are amino acids
This force opposes the relative motion of two surfaces in contact
What is friction
Solid carbon dioxide is commonly known as
What is dry ice?
On the Moon, Hell, Billy & Julius Caesar are these.
What are craters
Tephra is a collective term for all the materials ejected into the air from one of these
What is a volcano
The original 2 chains, it's thin, it's chainlike & its found in every living cell on Earth
What is DNA and RNA?
This force is stronger at lower elevations than higher elevations
What is gravity
Chlorine, fluorine and bromine belong to which family of elements?
What are halogens
The only permanent feature on a comet is this central part, also a core part of an atom.
What is nucleus
This commonest coarse-grained plutonic rock is desirable for countertops
What is granite
Latin for "whip" gives us the name of this hairlike appendage, used for locomotion by most bacteria
What is flagellum?
What is a pascal?
This feature makes Argon, Neon, and Helium unique in chemistry?
What is no compounds
The 2 main types of optical telescopes are reflectors & these, which use lenses to magnify objects.
What are refractors
The Mercalli scale measures the intensity of these from I to XII
What are earthquakes?
The hypothalamus at the base of the brain controls the release of hormones by this "master gland"
What is the pituitary gland?
The speed of light in a vaccum
What is 300 million meters per second
Steel is an alloy of which two substances
What is carbon and iron
The first close-up images sent back to Earth from another planet were from a Russian probe on this planet in 1975.
Venus
This mountain system was formed by the Eurasian & Indian tectonic plates ramming into each other
What are the Himalayas
The 24-hour physiological cycle that regulates sleep & feeding is known as this rhythm
What is circadian rhythm
The study of materials at very low temperatures
What is cryogenics
Which chemist was the first to receive the Nobel Prize twice?
Who is Marie Curie
In March 1930 its discovery was announced at Lowell Observatory in Arizona.
What is pluto
It's the splitting of rocks & minerals along their natural fissure lines (HINT: Hey Mister my eyes are up here)
What is cleavage