Meters, Kilometers, Miles, Light-Years.
Divisible by 1 and by itself.
Used instead of metal coins.
Most of the electromagnetic spectrum is invisible.
Deciphered in 19th century.
Reversal in wind direction.
Angels travel at the speed of light.
Mountains can trigger rain.
Slowest source of energy.
Can only be seen at night.
Name means "newborn" in ancient Egyptian.
Can cause temporary paralysis.
Highest speed in free-fall.
Planets outside our Solar System.
Causes the sky to appear blue.
Astronauts experience blurred vision.
Dinosaurs died in a mass extinction.
Accompanied by coronal mass ejection.
Drowned Pharaoh was found mummified.
Superheated water can explode.
Age of Earth is 1/3 age of universe.
Bones form before muscles.
Seas have internal waves.
Nutrients come from blood stream.
The frontal part of the brain handles lies.
Upper part of pyramids were baked and then cast like modern cement.
Protects earth from radiation and meteorites.
Wingless ants are all females.
The Sun is predominantly Hydrogen.
Earth is a rotating sphere.
The universe has been expanding ever since
the Big Bang.
Forms even in driest regions.
Least dense stone on Earth.
Water on Earth came from comets in outer space.
Smallest particle is a string.
Water can seperate into layers.
Pillars built by Pharaoh.
Worker bees are all females.
No Pharaohs before Egypt's New Kingdom.
All stars and planets have orbits.
Animals live in colonies.
Upper most zone in oceans where there is visible light.
Hearing develops before vision.
Animals have their own languages.
Mass in extra dimensions.
Iron has the strongest bound nucleus among all elements.
Universe was created by a Big Bang.
Singularity carries God's name in Arabic.
Pupils dilate when lying.
Flood was local, not global.
The stronger the gravity/acceleration the slower the time.
Angels use wormholes for transportation.
Womb lining changes thickness.
Lowest point on Earth is at the Dead Sea.
When mass concentrates into very small volume it makes a black hole.
Natural depression or hole in the ground.
Earthquakes or tremors precede eruptions.
Burning sensation from nerves in outer skin.
Gravity is curvature of spacetime.
Global warming causes shorelines to recede.
Expansion of universe stretches light waves.
Fasting turned out to have medical benefits.
Minerals have different colors.
The earliest sound waves in the universe.
Magnetic shield that protects Earth from cosmic radiations.
Gushes hot water from deep underground.
Rapture causes hearing loss.
No preferred directions in space.
After the Big Bang it was all smoke.
In amniotic fluid and multiple protective layers.
Whirlwind induced by fire.
It took some time before the sun shone.
Plants emit light invisible to the naked eye.
Mosquitos have their own parasites.
Frozen in their final act.
Copper used in armor-piercing.
Mountains have frozen freshwater.
Crows hold funerals for their dead.
The moon doesn't radiate.
Caused by sudden displacement of land.
Active at night and rest in day.
Causes the universe to expand.
Maps use the same convention for directions.
Luminosity varies with stage.
Sound waves can incapacitate or kill.
Breach caused collapse of a civilization.
Determined by the vibration of strings.
Caused by extended pressure.
Average cloud weighs a million pounds.
Planet orbiting multiple stars.
Force multiplied by displacement.
Reduces body temperature.
Acceleration is equivalent to gravity.
Largest known structures in the universe.