QUESTION | ANSWER |
Stalactites and stalagmites consist of deposits of Magnesium Carbonate
Calcium Carbonate Sodium Bicarbonate
Silica
| Calcium Carbonate |
The center of the earth is known as the Core Crust
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 Corrosion
Erosion Desalination
Detoxification
| Erosion |
Natural hot water springs occurring in New Zealand, Italy and Iceland are known as Geysers Hot Bubbles
Old Faithfuls
Fountains
| 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
Marble
Lava Slate
| Lava |
The surface of earth is mainly covered with Land
Ice
Oceans Mountains
| Oceans |
What are metal bearing rocks called? Ores Metalloids
Slag
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? Sand Water
Powdered Mica
Marble
| Sand |
What is caused by the slight tilt of the earths axis? Day and Night
Tides
Seasons Earthquakes
| Seasons |
Which of the following elements is a chemical constituent of sand particles? Carbon
Iron
Sodium
Silicon
| Silicon |
The shape of the earth is Flat
Conical
Spherical Cubical
| Spherical |
The earth rotates from East to West
North to South
South to North
West to East
| 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 |