QUESTION | ANSWER |
Stalactites and stalagmites consist of deposits of Calcium Carbonate Magnesium 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 Erosion Corrosion
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
An increase in the temperature Greater rainfall
Decrease in atmospheric pressure
| An increase in the temperature |
What is the name given to molten rocks that are erupted by a volcano? Lava Firestone
Marble
Slate
| Lava |
The surface of earth is mainly covered with Land
Ice
Mountains
Oceans
| Oceans |
What are metal bearing rocks called? Metalloids
Ores Slag
Bitumen
| Ores |
Coal is formed from Organic Matter Rocks
Soil
Lava
| Organic Matter |
Solar Energy is a Non Renewable Source of Energy
Renewable Source of Energy Polluting 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
Earthquakes
Seasons
| Seasons |
Which of the following elements is a chemical constituent of sand particles? Carbon
Silicon Iron
Sodium
| Silicon |
The shape of the earth is Flat
Conical
Cubical
Spherical
| 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 |