WELCOME

INTRODUCING

STUDENTS ARE GOING TO INTRODUCE THEMSELVES, THEIR SCHOOL AND THEIR COUNTRY.

1st step

Part 1 PEOPLE AND CHEMISTRY
INTRODUCE THE TOPIC
■ Do you have any chemicals/chemical products in your home?
■ What chemicals/chemical products do you have in your home?

2nd step

Part 2 CHEMISTRY IN OUR HOMES



In Parts 1 and 2 students find out more about the many
chemical products which people use in their homes. They also
examine the labelling of these products and learn about the
international symbols for labelling chemical substances.
They have an opportunity to make and test a chemical
product

STEP 3 LIVING WITH CHEMISTRY

STEP 3 LIVING WITH CHEMISTRY
Research by interview, or from secondary sources, to investigate a local story related to chemistry and to discover an example of the importance of chemistry to the local, regional or national economy.

martedì 7 aprile 2009

Chemistry in our homes

Here is our grid after looking for Chemistry in our homes!!!!

Purpose

Common example of a product in our homes

Source: natural o manufactured and country of origin

Ingredients listed on the label

Food

For adding to food during cooking

For preserving food

Oil, salt, spices(pepper, hot pepper, cinnamon)wine, vinegar, sugar, onion, garlic

Vinegar, oil, garlic and mentha

Natural: oil(Italy), wine(France), pepper, hot pepper(Mexico), onion and garlic

Manufactured: vinegar and salt

Wine: water, alcohol, grape juice

Salt: NaCl

Cleaning

For keeping people clean

Shampoo, deodorant, soap

Tooth-paste, detergent,

Shower gel

All manufactured

(worldwide)

Tooth-paste :phosphate

of fluorine, NaF

For washing clothes

For cleaning surfaces such as floors ,walls or windows

Softening, ammonia,

Detersive

Washing up liquid, detersive floor wax

Natural: ammonia

Manufactured: detersive, softening

All manufactured

(worldwide)

Ammonia: NH3

Detersive: surface-active, anion , phosphate and perfume

Personal care

For cosmetic use

For colouring hair

Mascara, eye shadow, phard, lipstick, lip-gloss, foundation, eyeliner, lip liner

Hair dyed

All manufactured

(worldwide)

Manufactured

Foundation: Cyclomentique, aqua, gly cerin, titanium and dioxide

Pharmacy

For treating disease

Aspirin, pills, tablet, sirocco, antibiotic, suppository, cortisone

All manufactured

(worldwide)

Pills(travel gum): Si, dextrin, talc, Mg, glucose, Ti, Ca, aroma of mint

Fuel

For use as a fuel(cooking, heating, transportation)

Petrol, diesel, oil(transportation)

Coal, gas, alcohol(cooking)

Gas, olive, wood residue(heating)

Natural: petrol(U.S.A, Russia, Iraq and Iran)

Wood: north Europe

Gas(U.S.A and Russia)

Petrol: Petrol Paraffin, Kerosene, benzene, wax, Asphalt and Bitumen

Plant growth and protection

For growing plants

For killing insect pests

Water, manure, soil, sun bait, fertilizer

Pesticide, insecticide

Natural: water, manure, soil, sun bait

Manufactured: fertilizer

Manufactured

1 commento:

  1. Great job! Our one is in progress, we're about to finish, so watch the blog 'cause we're gonna get to the action soon :)

    RispondiElimina

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