| QUESTION | ANSWER |
Stalactites and stalagmites consist of deposits of
• Magnesium Carbonate
• Sodium Bicarbonate
• Silica
• Calcium Carbonate
| Calcium Carbonate |
The center of the earth is known as the
• Crust
• Core
• Atmosphere
• Hydrosphere
| Core |
The length of the days and nights is equal at the
• North Pole
• Equator
• South Pole
• Tropic of Capricorn
| Equator |
Removal of the top layer of soil/rocks by wind, water is known as
• Erosion
• Corrosion
• Desalination
• Detoxification
| Erosion |
Natural hot water springs occurring in New Zealand, Italy and Iceland are known as
• Hot Bubbles
• Old Faithfuls
• Fountains
• Geysers
| Geysers |
Greenhouse effect will lead to
• An increase in Oxygen Production
• Greater rainfall
• Decrease in atmospheric pressure
• An increase in the temperature
| An increase in the temperature |
What is the name given to molten rocks that are erupted by a volcano?
• Firestone
• Lava
• Marble
• Slate
| Lava |
The surface of earth is mainly covered with
• Land
• Ice
• Mountains
• Oceans
| Oceans |
What are metal bearing rocks called?
• Metalloids
• Slag
• Ores
• Bitumen
| Ores |
Coal is formed from
• Rocks
• Organic Matter
• Soil
• Lava
| Organic Matter |
Solar Energy is a
• Non Renewable Source of Energy
• Polluting Source of Energy
• Renewable Source of Energy
• Very limited source of energy
| Renewable Source of Energy |
Which of the following is a main component of common glass?
• Water
• Sand
• Powdered Mica
• Marble
| Sand |
What is caused by the slight tilt of the earths axis?
• Day and Night
• Tides
• Earthquakes
• Seasons
| Seasons |
Which of the following elements is a chemical constituent of sand particles?
• Silicon
• Carbon
• Iron
• Sodium
| Silicon |
The shape of the earth is
• Flat
• Spherical
• Conical
• Cubical
| Spherical |
The earth rotates from
• West to East
• East to West
• North to South
• South to North
| West to East |
Seismograph is the instrument used for recording earthquake shocks.
• True
• False
| True |
Granite and quartz are igneous rocks.
• True
• False
| True |
Gasoline is a non-renewable source of energy.
• True
• False
| True |
