Chemical Reaction

Basic Competence To identify simple chemical reaction using simple experiment

Indicators Students are able to : •

•

Make a reaction two matters to indicate color change and or temperature. Conclude the characteristics of chemical reaction base on color change and or temperature.

Key Words 1.

Chemical Reaction

Materials & tools Glass

Spoon

Iodine

Water

Vitamin C

Flour

Purpose 

To know how the chemical reaction at flour solution, iodine and vitamin c if the all materials put into glass together.

Procedure       

Prepare the Materials and Tools Pour the water into the glass Pour the flour into the glass of water Drops the iodine into flour solution Stir and wait until the color is change After the color is change, put the vitamin C Next, what happen?

Analysis table Color change

Matter

Analysis table Color change Clean White

white Purple

Purple White (Cream)

Matter Water with flour Flour solution with Iodine Iodine with Vitamin C

Conclusion So, the all of matter has different characteristic that can make the color of matter is change.  Chemical Reaction is a reaction can be identified by the new production of prencipitate or gas, or changing incolor and temperature. 