▪ What is the art of preparing, stuffing and mounting the skins of animals to make lifelike models called? Taxidermy.
▪ What is the technical name for abnormally high blood pressure? Hypertension.
▪ What part of eye is responsible for its color? The iris.
▪ What is the second planet from the sun? Venus.
▪ Which gas used in advertising signs has the symbol Ne? Neon.
▪ In medicine, which is the most widespread parasitic infection? Malaria.
▪ What causes earthquakes? Earthquakes occur when energy stored within the Earth, usually in the form of strain in rocks, suddenly releases. This energy is transmitted to the surface of the Earth by earthquake waves.
▪ What is Galaxy? Galaxy, a massive ensemble of hundreds of millions of stars, all gravitationally interacting, and orbiting about
a common center. Astronomers estimate that there are about 125 billion galaxies in the universe. All the stars visible to the unaided
eye from Earth belong to Earth‘s galaxy, the Milky Way.
▪ What is an anemometer? Anemometer (Greek anemos, ―wind; metron, ―measure), an instrument that measures wind
speed.
▪ What is paleontology? Paleontology, study of prehistoric animal and plant life through the analysis of fossil remains.
▪ How far is the sun from earth? the average distance from Earth is 150 million km (93 million miles).
▪ What was the first creature to travel in space? The Soviet Union also launched the first living creature, a dog named Laika, into
space on November 3, 1957.
▪ What is dry ice? Solid carbon dioxide, known as dry ice, is widely used as a refrigerant. Its cooling effect is almost twice that
of water ice; its special advantages are that it does not melt as a liquid but turns into gas, and that it produces an inert
atmosphere that reduces bacterial growth.