GENETICS AND DNA
DNA stands for this complex molecule carrying genetic instructions.
Deoxyribonucleic Acid
A solution with a pH value below 7 is classified as this.
acid
Standard instrument used by meteorologists to measure temperature.
thermometer
Molten rock beneath the Earth's surface is called this, which becomes lava upon eruption.
magma
These giant stone structures served as monumental tombs for Egyptian pharaohs.
Pyramids
The shape of a DNA molecule is commonly described as this twisted structure.
double helix
This center of an atom contains protons and neutrons.
nucleus
Rapidly rotating columns of air extending from thunderstorm clouds to the ground.
tornadoes
The scale used to measure the magnitude of earthquakes, named after an American seismologist.
Richter scale
The ancient formal writing system used by Egyptians consisting of pictorial symbols.
hieroglyphics
Humans normally possess this total number of chromosomes in most cell nuclei.
46 (or 23 pairs)
The process where a liquid changes into a gas below its boiling point is called this.
evaporation
The scale from 1 to 5 used to measure the intensity of hurricanes based on sustained wind speed.
Saffir-Simpson Scale
This type of rock is formed from the cooling and solidification of molten rock.
igneous rock
Uncovered in 1922 by Howard Carter, this "Boy King's" tomb was found largely intact.
Tutankhamun (King Tut)
Known as the "Father of Modern Genetics," he experimented with pea plants in the 19th century.
Gregor Mendel
This type of chemical bond involves the sharing of electron pairs between atoms.
covalent bond
Wispy, feather-like clouds formed at high altitudes composed mostly of ice crystals.
cirrus clouds
Earth's outermost solid shell is broken into these large shifting sections.
tectonic plates
This last active ruler of the Ptolemaic Kingdom of Egypt had famous alliances with Julius Caesar and Mark Antony.
Cleopatra
In RNA, this nitrogenous base replaces thymine to pair with adenine.
uracil
The direct transition of a substance from a solid state to a gas state without becoming liquid first.
sublimation
This periodic warming of sea surface temperatures in the equatorial Pacific impacts global weather patterns.
El Niño
This supercontinent existed during the late Paleozoic and early Mesozoic eras before breaking apart.
Pangaea
Discovered in 1799, this slab of granodiorite was key to deciphering ancient Egyptian scripts.
Rosetta Stone