Sediments are transported and deposited by help of

  • water currents
  • stagnant water
  • water ponds
  • water dams

In deserts there is existence of extreme in day and night

  • temperatures
  • erosion
  • pressure
  • cycles

When water containing dissolved salts evaporate there is formation of layer of

  • salts
  • rocks
  • sediments
  • minerals

Rocks are formed by combination of minerals like

  • quartz
  • feldspar
  • calcite
  • all of them

Sediments are the particles of

  • clay and sand
  • minerals
  • rock fragments
  • all of them

Different appearance of each layer is due to different type of

  • sediments
  • minerals
  • rain water
  • weathering

Water expands on

  • room temperature
  • boiling
  • freezing
  • flowing

Sedimentary layers over a period of time are compacted and cemented to form

  • sedimentary rocks
  • mountains
  • deserts
  • hills

Acid and carbonates react together to form

  • oxygen
  • nitrogen
  • carbon dioxide
  • Sulphur dioxide

Acidic gas which makes air pollutants is

  • carbon dioxide
  • Sulphur dioxide
  • nitrogen
  • oxygen

A common sedimentary rock which is formed from plant material is

  • coal
  • natural oil
  • diamond
  • marble

Weathering and erosion both alter its

  • shape
  • size
  • volume
  • landforms

The top of mountains at night time are

  • hot
  • cold
  • mild
  • temperate

The carbon dioxide which is present in air produces weak acid in rain called

  • carbonic acid
  • sulphuric acid
  • acetic acid
  • oxalic acid

While transportation sediments are sorted according to their

  • size
  • volume
  • color
  • chemical properties

Repetition in expansion and contractions in rocks give rise to

  • stress
  • heat
  • volume
  • force

Granite chip on exposure to extreme temperature will be

  • broken
  • stronger
  • weaker
  • stable

Colorado river moving through layers of sandstone, shale and limestone after million years have formed

  • statues
  • canyon
  • pyramid
  • wall of China

The measure of the empty spaces in a material is called its

  • volume
  • surface area
  • porosity
  • elasticity

The process of wearing down of Earth's surface and altering into landforms is called

  • erosion
  • weathering
  • land sliding
  • earth quake
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