16.We added the olive oil in the erlenmeyer flask.
17.We turned the mixture in the erlenmeyer flask with a plastic spoon.
18.We made attention that the mixture always boiled not very strong.
19.We waited that the mixture become soap that is it grew tick.
20.The isothermic reaction produces heat.
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?
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
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.
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.
mercoledì 3 giugno 2009
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- The ethilic alcohol helps the breakup of the bond ...
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