General Science

Pendulum

Galileo's first scientific discovery

Henrich Hertz

German physicist who first demonstrated the existence of Radio waves

Hydrophyte

a plant adapted for growth in water

Xerophyte

a plant adapted to live in dry places

Scotophyte

a plant which lives in the dark

Sulphuric acid

acid used in a car battery

Parthenocarthic

adjective used to describe fruits that are formed without fertilization

Monocarpic

adjective used to describe plants that flower only once in their lifetime

8

atomic number of oxygen

Amino acids

basic building blocks of proteins

Allium cepa

botanical name for onion

Oryza sativa

botanical name for rice

Camellia Sinensis

botanical name of tea

Gossipium Hirsutum

botanical name of the cotton plant

HCl

chemical formula for hydrochloric acid

H2O2

chemical formula for hydrogen peroxide

H2SO4

chemical formula for sulphuric acid

Trichloromethane

chemical name for Chloroform

Sodium bicarbonate

chemical name for baking powder

Calcium hypochlorite

chemical name for bleaching powder

Sodium chloride

chemical name for common salt

Calcium sulphate

chemical name for plaster of Paris

Sodium carbonate

chemical name for washing soda

Md

chemical symbol for Mendelevium

Au

chemical symbol for gold

He

chemical symbol for helium

Rb

chemical symbol for rubidium

Na

chemical symbol for sodium

Sr

chemical symbol for strontium

Zn

chemical symbol for zinc

Zr

chemical symbol for zirconium

Potash

common name for potassium carbonate

Hydrocarbon

compound which contains only hydrogen and carbon

Mendel

demonstrated the role of heredity

Nickel

discovered by Cronstledt

Manganese

discovered by Gahn

Radioactivity

discovered by Henry Bacquerel

Sodium

discovered by Sir Humphry Davy

Frederick Soddy

discovered the existence of isotopes

Karl Landsteiner

discovered the four blood groups

Bibliophobia

fear of books

Ochlophobia

fear of crowds

Clinophobia

fear of going to bed

Androphobia

fear of men

Gynophobia

fear of women

John H. Glen

first American to orbit Earth

Rakesh Sharma

first Indian in space

Neil Armstrong

first man on the moon

J. P. Blanchard

first person ever to use the parachute

Robert Hooke

first person to see a cell under a microscope

Obligate parasite

fungus which can only survive on other living organisms

Seismograph

instrument that records the intensity of earthquakes

Thermostat

instrument used for regulating constant temperature

Salinometer

instrument used to measure the concentration of salt water

Monometer

instrument used to measure the pressure of gases

Hygrometer

instrument used to measure the relative humidity of air

Tangent galvanometer

instrument used to study the strength of direct current

Celluloid

invented by A. Parker

Microscope

invented by Aaton Van Leewen Hock

Bifocal lens

invented by Benjamin Franklin

Laser

invented by Dr. Charles H. Townes

Cement

invented by Joseph Aspdin

Electric lamp

invented by Thomas alva Edison

Electro-cardiograph

invented by William Einthoven

Electromagnet

invented by William Sturgeon

J. E. Lundstrom

inventor of safety matches

Torricelli

inventor of the barometer

L. E. Waterman

inventor of the fountain pen

Enrico Ferni

inventor of the nuclear reactor

James Watt

inventor of the steam engine

Charles Goodyear

inventor of vulcanized rubber

Seguoia Gigantica

largest tree in the world

Formalin

liquid used to preserve specimens of plants and animals

Lactometer

measures the density of milk

Thermotropism

name of a plant's response to heat

Trigmotropism

name of a plant's response to touch

Penicillin

obtained from mould

Morphology

science of organic forms and structures

Thrombocytes

scientific name for blood platelets

Aristotle

scientist known as father of modern biology

Max Plonck

scientist who developed the Quantum theory

Phycology

study of algae

Zoology

study of animal life

Ornithology

study of birds

Osteology

study of bones

Dactylography

study of finger prints

Ichtyology

study of fishes

Entomology

study of insects

Botany

study of plant life

Herpetology

study of reptiles

Psychology

study of the human mind

Histology

study of tissues

Lead

the metal used in storage batteries

Iron

the principle metal used in manufacturing steel

Worffia

the smallest flowering plant

Oology

the study of birds' eggs

Alimeter

used for measuring altitude

Electroscope

used to detect charges on a body

Auriscope

used to detect ear disorders

Crescograph

used to measure the rate of growth of a plant