TERCER B C 15 004 2010

http://www.recycling-guide.org.uk/products.html
1. What do these symbols mean?

2. Use an online dictionary to translate the following sentences:
http://www.macmillandictionary.com/
http://www.wordreference.com/es/

• All waste batteries are classified as hazardous waste and recycling is always the best option.
• Ordinary household batteries do contain some hazardous chemicals so ideally should not be thrown out with the day to day rubbish.
• Rechargeable batteries contain harmful metals, so should never be thrown away with daily rubbish, they should be returned to manufacturer for disposal or recycled elsewhere.

• Recycling is an excellent way of saving energy and conserving the environment. Did you know that:

• 1 recycled tin can would save enough energy to power a television for 3 hours.
• 1 recycled glass bottle would save enough energy to power a computer for 25 minutes.
• 1 recycled plastic bottle would save enough energy to power a 60-watt light bulb for 3 hours.
• 70% less energy is required to recycle paper compared with making it from raw materials.

3. Use this link to write some tips about how to save water at home and ind the garden, Write as many tips as you can,
http://www.water-guide.org.uk/tips.html

Answer these questions:
1. How many litres of water can you save a week if you have a shower instead of a bath?
2. When do you have to use the washing machine or the dishwasher?
3. What do you have to do while cleaning your teeth?
4. What is mulch used for in the garden?
5. What is a water butt used for?

4. find the answers to these questions in the following link:
http://www.recycling-guide.org.uk/importance.html

a. Why do we have to act fast?
b. Why is fast food harmful for the environment?
c. What costs more: raw materials or recycled products?

smx 29 3 2010

1. Find the answers to the following questions using the links below:
   
   Do most modems still use serial ports?
   How long has the serial Port been a part of most computers?
   What other device is currently used?
   What is the difference between serial and parallel ports?
   What other name is used for serial ports?
   What does bi-directional communication allow?
   What was the primary use of a serial port?
   What information does pin 6 give in a 9 -pin connector?
   What information does pin 8 give in a 25-pin connector?
   
   
   http://computer.howstuffworks.com/computer-buses-channel.htm
   http://computer.howstuffworks.com/serial-port1.htm
   http://computer.howstuffworks.com/serial-port2.htm

quart diversificació simple past exercises.

http://www.bradleys-english-school.com/online/jigword/jigpast1.html
www.bradleys-english-school.com/online/jigword/jigpast3.html
/www.bradleys-english-school.com/online/jigword/jigpast4.html
www.bradleys-english-school.com/online/jigword/jigpast5.html
www.pumpkinandcompany.com/PAC/Kids-activ-games_Gquiz3e_PastSimple1.htm
www.manythings.org/wbg/verbs_past2-mw.html
www.bradleys-english-school.com/online/matchingpairs/mpiregpast1.html
www.englishgrammarsecrets.com/pastsimple/exercise2.swf
www.inglesmundial.com/I5/grammar.htm
http://www.oup.com/elt/global/products/englishfile/elementary/a_grammar/file05/grammar05_c01/
http://www.english-room.com/pasttense_5a.htm
http://www.english-grammar-lessons.com/pastsimple/exercise3.swf
http://www.esoeonline.org/main-index/index-exercises/grammarexs/elem/ElemPastTenses.htm

primer bat A modals

http://www.english-grammar-lessons.com/musthaveto/exercise9.swf
http://www.english-grammar-lessons.com/could/exercise3.swf
http://esl.fis.edu/grammar/multi/modal1.htm
http://ingles.iesboliches.org/activities/grammar/tenses/MODAL-VERBS1.htm
http://inglesnanet.com/grammar/modverbs.htm
www.english-grammar-lessons.com/musthaveto/exercise7.swf
http://www.englishgrammarsecrets.com/maymight/exercise1.swf
http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-1417.php
http://www.englishgrammarsecrets.com/maymight/exercise3.swf
http://web2.uvcs.uvic.ca/courses/elc/studyzone/330/grammar/330-modals-ability1.htm
http://www.englishpage.com/modals/interactivemodal8.htm

smx 8 / 3 / 2010

http://computer.howstuffworks.com/internet-infrastructure.htm
What's the internet?
When did it begin?

computer.howstuffworks.com/fact-or-fiction-internet-quiz.htm
Do the quiz. How many answers did you get right?. Use an online dictionary to help you with the difficult words.

computer.howstuffworks.com/internet-infrastructure1.htm
How can you connect to an Internet Service Provider?
What does LAN stand for?


http://videos.howstuffworks.com/howstuffworks/23-computer-tour-video.htm
What is the motherboard?
What is the CPU?
Where is the RAM placed?
How many banks of RAM can you find in a computer?
How can you speed up your computer?
What does the video card create?
Where does your software and data load from?
What do you have to do if you want to delete all your data on your computer?
What does the optical drive use to read/write CDs or DVDs?
What do you have to do to protect your data on your Cds orDVDs?

tercer b modals

http://www.englishgrammarsecrets.com/could/exercise2.swf
http://www.englishgrammarsecrets.com/musthaveto/exercise2.swf
www.english-grammar-lessons.com/musthaveto/exercise8.swf
http://www.1-language.com/englishcourse/unit18_grammar_exs.htm

DIVERSIFICACION SIMPLE PAST

http://clicknlearn.net/
www.members.iinet.net.au/~adelegc/grammar/past_tense/past_regular.html
www.oup.com/elt/global/products/englishfile/elementary/a_grammar/file05/grammar05_c01/
www.better-english.com/grammar/past5.htm
www.englishlab.net/hp/quiz12_past_simple_4_negative_sentences.htm
eslprograms.vcc.ca/ESLWEB/gramrev2.htm
www.english-room.com/negative_6.htm
www.bradleys-english-school.com/online/concentration/past3.html
www.ego4u.com/en/cram-up/tests/simple-past-1