jueves, 14 de septiembre de 2017

Fossil Fuels Quiz

  • Fossil fuels are derived from which of the following sources?
    A: organic matter trapped in sedimentary rock
    B: nonorganic matter trapped in metamorphic rock
    C: organic matter trapped in igneous rock
    D: organic matter on the crust's surface

  • Coal, a common fossil fuel, is formed from which of the following types of organic matter?
    A: freshwater algae
    B: bodies of dead animals
    C: marine organisms
    D: tree trunks, leaves, and freshwater plants

  • Oil and gas are mainly derived from which of the following sources?
    A: trees and larger plants
    B: phytoplanktonic material found in marine basins
    C: freshwater algae
    D: dead animals


  • What is one difference between a common organic fuel such as wood, and a fossil fuel?
    A: Wood burns more slowly
    B: Fossil fuels burn faster
    C: Fossil fuels make more efficient fuels
    D: Wood is in higher demand


  • Why do fossil fuels generate more power than wood for use in machines, for example?
    A: Fossil fuels have a higher concentration of carbon and hydrogen
    B: Fossil fuels are drier
    C: Fossil fuels are easier to light
    D: Fossil fuels are easier to transport


  • The quality of coal, called its rank, is a measure of which of the following characteristics?
    A: amount of carbon in the coal
    B: amount of oxygen in the coal
    C: how black it is
    D: how hard it is


  • Natural gas is composed mainly of which type of gas?
    A: propane
    B: methane
    C: butane
    D: ethane

  • What is the one continent on Earth where coal is not found?
    A: Africa
    B: North America
    C: Australia
    D: Antarctica

  • The greatest concentration of oil is found in which of the regions of the world given below?
    A: North America
    B: South America
    C: the Middle East
    D: Europe


  •                                            
    Most of the world's oil is found in sedimentary rock that is of what age?
    A: Younger than 200 years
    B: younger than 200 million years
    C: older than 200 million years
    D: older than 300 million years

    • Do you want to know the answers? GO TO THE KEY
________________________________

Adapted from
Source:   Clik Here

miércoles, 6 de septiembre de 2017

COMICS WRITING

 Definition and KINDS of ENERGY.
                                                                  Seeing this satellite image of the USA at night, it can be seen that the cities of the east and a minority of the west, are more enlightened, therefore they have a greater energy expenditure.