https://padlet.com/gulden_karabulut/i717abjspdxs You will use "Iron + Sulfur" experiment you performed as a simulation lab in the beginning of the term. en-us 2017-09-22 05:38:21 UTC 2026-03-15 13:33:25 UTC hello@padlet.com https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919377822 If sulfur and iron combined chemically, their physical and chemical properties will change]]> 2020-11-13 06:23:50 UTC https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919377822 https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919378058 Independent variable: Type of substanc
Dependent variable: Properties of substance.
Controlled variables: Amount of substance (by calculating their volume and weight), room temperature (by conducting the experiment in the same room), heat (by conducting the experiment in a heat insulated room to keep the heat the same)...]]> 2020-11-13 06:24:06 UTC https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919378058 https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919378846 1) Take 14g of fine iron filings and 8g of sulphur powder in a big petridish or a beaker. 
2) Mix them well to prepare a mixture of iron filings and sulphur powder. 3)Label the mixture A. 
Then
4)Take about 14g of fine iron fillings and 8g sulphur powder in a china dish. 
5)Mix them well and heat the contents of the china dish, first gently, then strongly. 
6)Stir it constantly till a black mass, i.e., compound of sulphur and iron is formed.
7)When a black mass is formed, cool it and powder the black mass. 
8)Label the compound powder as B.]]> 2020-11-13 06:25:00 UTC https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919378846 https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919379019 Sulphur: Magnet didn't affected

Iron:Magnet pulled the iron]]> 2020-11-13 06:25:13 UTC https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919379019 https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919379726 title: Distinguishing between mixture and compound
research question: if sulphur and ıron filing are mixed then is it going to be a heterogeneous mixture or a homogeneous mixture ?]]> 2020-11-13 06:25:46 UTC https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919379726 https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919382257 - Iron filings ( 14 g )
- Sulphur powder ( 8g )
- DII. HCI ( few drops )
- Carbon disulphide ( 1ml )
- Spatula ( 1 )
- Magnet ( 1 )
- Tripod stand ( 1 )
- Bent glass tube ( 1 )
- Bunsen burner ( 1 )
- Copper sulphate solution
- Glass rod ( 3 )
- Test tube  ( 1 )
- Watch glass ( 1 )
- Burning match stick ( 1 )
-China dish ( 1 )
- Wire gauze ( 1 )]]> 2020-11-13 06:28:51 UTC https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919382257 cancelikoglu1 https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919382432 title:distinguishing between mixture and compound.
research question:]]> 2020-11-13 06:29:05 UTC https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919382432 https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919383031 -Wear a lab coat, gloves and goggles
-Tie your hair up
-Do not mix the chemicals before you start the experiment
-Don't eat or drink in the classroom
-Listen to the instructions
-Avoid skin and eye contact with all chemicals
-Wash exposed areas of the skin before leaving the laboratory
-Put everything to it's place after using it
-Do not leave containers of chemicals open
-Label the containers of chemicals
-Use only the chemicals and equipments that are needed for the experiment
-Do not come in contact, smell or taste the chemicals
-]]> 2020-11-13 06:29:53 UTC https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919383031 https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919388388 Sulphur: The magnet didn't have any affect on pulling the different particles.
Iron: The magnet was affected.]]> 2020-11-13 06:36:31 UTC https://padlet.com/gulden_karabulut/i717abjspdxs/wish/919388388