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- Q5.QUZ
- Science
- 50
- 0
- What name is given to a substance which will not conduct heat or electricity?
- Insulator
- Resistor
- Inductor
- Transducer
- How many kilometres does lighttravel in a second?
- 300,000
- 186,000
- 1,000,000
- 250,000
- Which gas is used in making fizzy drinks?
- Carbon dioxide
- Chlorine
- Oxygen
- Nitrous Oxide
- Which two gases are the major constituents of air?
- Oxygen and Nitrogen
- Hydrogen and Oxygen
- Hydrogen and Chlorine
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- What is the chemical name for common salt?
- Sodium Chloride
- Sodium Bicarbonate
- Sodium Fluoride
- Sodium Carbonate
- What is the chemical name for quicklime?
- Calcium Oxide
- Sodium Carbonate
- Calcium Hydroxide
- Calcium Carbonate
- What is the name of the metal made from copper and zinc?
- Brass
- Steel
- Pewter
- Solder
- Roughly how many metres does sound travel in a second?
- 340
- 1,000
- 200
- 5,000
- Which type of mirror would make you look smaller?
- Convex
- Concave
- Plain
-
- Which group of chemicals are added to drinking water to reduce tooth decay?
- Fluorides
- Chlorides
- Sulphides
- Bromides
- A solution in which no more solid will dissolve is said tobe ......?
- Saturated
- Concentrated
- Inert
- Dense
- What is the common name for calcium carbonate?
- Chalk
- Lime
- Soda
- Baking Powder
- What is the name of the process of splitting up a chemical compound by passing electricity through it?
- Electrolysis
- Dissolution
- Dissociation
- Decomposition
- What is the instrument used bysurveyors to measure horizontal and vertical angles?
- Theodolite
- Protractor
- Sextant
-
- In a car engine what is the device that controls the mixture of petrol and air delivered to the cylinders?
- Carburettor
- Petrol pump
- Air filter
- Distributor
- In radio transmission what is the name of the process which superimposes signals on the carrier wave?
- Modulation
- Amplification
- Detection
- Tuning
- In computers what is the abbreviation for the term "binary digit"?
- bit
- byte
- baud
- DIN
- When water passes from a weak solution to a strong solution through a semipermeable membrane - what term is used?
- Osmosis
- Dialysis
- Electrolysis
- Diffraction
- Steel can be hardened by heating it then plunging it into water. What is this technique called?
- Tempering
- Annealing
- Case hardening
- Smelting
- Which part of the eye controlsthe amount of light entering?
- Iris
- Pupil
- Cornea
- Retina
- In which part of the body is the hormone insulin produced?
- Pancreas
- Kidneys
- Brain
- Thyroid
- What is the main inorganic compound present in bone?
- Calcium Phosphate
- Calcium Carbonate
- Magnesium Phosphate
- Magnesium Chloride
- A Saprophyte feeds on decayingorganic matter. What is a Saprophyte?
- Plant
- Bird
- Animal
- Insect
- What is the name of the tube which carries food from the mouth to the stomach?
- Oesophagus
- Trachea
- Duodenum
- Ileum
- Where are the red blood cells made in the body?
- Bone marrow
- Liver
- Heart
- Spleen
- What is the unit of electricalresistance?
- Ohm
- Volt
- Amp
- Watt
- An electric kettle connected to a 240V supply consumes l000W. How much power will it consume from a 120V supply?
- 250W
- 500W
- 1000W
- 2000W
- What is measured using a pyrometer?
- Temperature
- Pressure
- Magnetism
- Distances
- Silicon carbide is a very hardmaterial used as an abrasive. By what other name is it known?
- Carborundum
- Silica Gel
- Carbon Steel
- Graphite
- If someone is short-sighted they suffer from what condition?
- Myopia
- Hypermetropia
- Miosis
- Presbyopia
- What is the medical name for the collar-bone?
- Clavicle
- Scapula
- Sternum
- Carpus
- By what process is food material propelled along the intestines?
- Peristalsis
- Osmosis
- Neurosis
- Proteolysis
- Acidity and alkalinity is measured on the pH scale. Whatis the pH value for pure water?
- 7
- 5
- 10
- 14
- How many vertebrae are there in the human spine?
- 33
- 28
- 24
- 32
- What is a Geiger counter used to measure?
- Radioactivity
- Light intensity
- Sea Depth
- Noise levels
- Which acid is present in vinegar?
- Acetic
- Citric
- Sulphuric
- Lactic
- Which vitamin is found in abundance in citrus fruits?
- Vitamin C
- Vitamin D
- Vitamin A
- Vitamin B
- In an aircraft, what does the Altimeter indicate?
- Height
- Air speed
- Wind speed
- Distance travelled
- What is the common use for silica gel?
- Drying agent
- Lubricant
- Abrasive
- Ointment
- What is the name of a device used for controlling temperature?
- Thermostat
- Rheostat
- Thermopile
- Pyrometer
- What are "peroxides" commonly used for?
- Bleaching
- Dyeing
- Cleaning
- Purifying
- What is the number system called which uses a base of 16?
- Hexadecimal
- Octal
- Duodecimal
- Binary
- Water depth is often measured in fathoms. How many metres is one fathom?
- 1.83
- 6
- 180
- 1024
- What is the name of the line on a ship's hull which marks the safe limit of cargo loading?
- Plimsoll line
- Water line
- Tide mark
- Plumbline
- What are nitroglycerin and tri-nitrotoluene used as?
- Explosives
- Medicine
- Fertiliser
- Sweeteners
- What is the name of the curve formed by a rope or chain hanging between two supports?
- Catenary
- Parabola
- Exponential
- Hyperbola
- What is absolute zero in °C?
- -273°C
- 0°C
- -100°C
- -355°C
- What is the heaviest known metal on earth?
- Osmium
- Lead
- Gold
- Lithium
- What is "Oil of Vitriol" otherwise known as?
- Sulphuric Acid
- Cyanide
- Boric Acid
- Sodium Peroxide
- The study of fossils is known as ....?
- Palaeontology
- Archaeology
- Anthropology
- Entomology
-