Answer Experiment 1: I tried lighting a led bulb, I tried connecting the positive and ------------------------------------------------------------------------------------------negative wires, it gives a few tries to know which wire is which. -----------------------------------------------------------------------------------------------
Experiment 2: I observe that mixing baking soda with vinegar will make a ---------------------------------------------------------------------------------------- chemical change. --------------------------
Experiment 3: I expose Iron with oxygen that for the Iron starts to rust. ------------------------------------------------------------------------------------- This is another example of Chemical change. -------------------------------------------------------------------
Experiment 4: I tried heating a long rod of metal, when the metal is heated ------------------------------------------------------------------------------------------ the heat transpered to the other end of the metal rod. --------------------------------------------------------------------------------
Answers & Comments
Experiment 1:
I tried lighting a led bulb, I tried connecting the positive and
------------------------------------------------------------------------------------------negative wires, it gives a few tries to know which wire is which.
-----------------------------------------------------------------------------------------------
Experiment 2:
I observe that mixing baking soda with vinegar will make a
----------------------------------------------------------------------------------------
chemical change.
--------------------------
Experiment 3:
I expose Iron with oxygen that for the Iron starts to rust.
-------------------------------------------------------------------------------------
This is another example of Chemical change.
-------------------------------------------------------------------
Experiment 4:
I tried heating a long rod of metal, when the metal is heated
------------------------------------------------------------------------------------------
the heat transpered to the other end of the metal rod.
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Explanation: