Weblinks - Catalysts

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Chemistry WebQuest 3 - Challenge

Catalysts

- Introduction & Process - - Weblinks - - Conclusion -

Weblinks

Weblinks 1

Catalysts play an important role in the manufacturing of many substances. 

Find out the effect of a catalyst on a chemical reaction by exploring the web links below.

http://www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway_pre_2011/rocks_metals/7_faster_slower5.shtml

http://www.sciencelearn.org.nz/Contexts/Nanoscience/Sci-Media/Video/What-is-a-catalyst


Weblinks 2

Enzymes are biological catalysts. 

Use the following links to describe the role of enzymes during digestion.

http://www.chem4kids.com/files/bio_enzymes.html

https://www.youtube.com/watch?v=tI69AVRW0DU

https://www.youtube.com/watch?v=vTQybDgweiE


Weblinks 3

Catalytic convertors are used in cars to reduce the amount of pollutants that enter the atmosphere. 

Use the web links below to summarise the reactions that take place in a catalytic convertor on your WebQuest research sheet.

http://auto.howstuffworks.com/question66.htm

https://www.youtube.com/watch?v=1e9EvrThk1Y

https://www.youtube.com/watch?v=HADOcrcMikA


Weblinks 4

Carbon monoxide and nitrogen oxides are pollutants that are formed during the combustion of hydrocarbons. 

Explore the following links to see the risks associated with these gases, recording your findings on your WebQuest research sheet.

http://www.alliantenergykids.com/PlayingItSafe/NaturalGasSafety/000555

http://www.nhs.uk/conditions/carbon-monoxide-poisoning/Pages/Introduction.aspx

http://www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway_pre_2011/rocks_metals/6_clean_air3.shtml

http://www.icopal-noxite.co.uk/nox-problem/nox-pollution.aspx

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