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gener, 2007:

Heat and temperature (Science, ESO 2nd)

If you need, You can use this online spanish-english dictionary 

Part 1

  1. visit this page and answer these questions in your notebook:
    1. which kind of light is used to detect heat?
    2. Which are the colder parts in a human body? and the hottest?
    3. look at the picture of a pencil just after sharpening. Why does it look this way?
  2. Search the definition of temperature on this page and copy it on your notebook.
  3. Copy this sentence and fill the blanks. You'll find the missing words here:

If we take two objects which have the same …………………………… and bring them into contact, there will be no overall ………………. of ……………………. between them because the average energies of the particles in each object are ……………………… But if the ………………………..of one object is higher than that of the other object, there will be a transfer of energy from the ………………….. to the …………………… object until both objects reach the same………………………

Part 2

  1. Take a look at these three thermal images showing the three ways in which heat travels: conduction, convection and radiation. Make sure you understand the examples. Read the description carefully
  2. Here you will find a chart with the temperatures at which water boils; you have a Room Temperature; Water Freezes and you'd have the Absolute Zero, in the Celsius, Kelvin and Fahrenheit scales. Copy it on your notebook.
  3. Find out how infrared light was discovered. Read about Herschel and his experiment. The teacher will ask you a brief explanation.

 

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Roques (I)

, a la qual hi ha un mapes de la península ibèrica: un mapa de tipus de terreny (tipus de sòls), un mapa litològic i un mapa de relleu. Compara l'un amb l'altre i anota les teves conclusions.
 
A continuació visita aquesta pàgina de Portal de ciència i llegeix les diferents seccions i fixa't bé amb els esquemes: cicle de les roques, roques sedimentàries i sediments; roques ígnies; roques metamòrfiques.
 
Visita el Portal de ciencias experimentales i dins d'aquest, els apartats que fan referència a les roques.
 
 
 

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