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Friday 12 April 2019

Aim: To learn the names of 10 household chemicals and identify if they are a solid, liquid or a gas.


Definitions:


  1. Element; A single form of a chemical 
  2. Compound: A mixture made up of 2 or more elements
  3. Reaction: A process in which chemicals mix together to form a new substance.
  4. Mixture: When two or more elements are mixed together.

Equipment:

  1.     
  2.   
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Steps:

1.
2.
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4.

Repeat the steps for all the chemicals.

Task 1: Put the 10 chemicals in a chart with the titles - Name, Chemical ingredient(s), Image, Solid/Liquid/Gas. 



Conclusion:
Salt is a sodium chloride and it is a solid.
Lemon juice is citric and it is a liquid.
Sugar is aldonic and it is a solid.

Name

Chemical

Image

Solid/Liquid/Gas

Salt






Lemon juice












Sugar








Vinegar
Sodium Chlorides






Citric Acid












Aladonic acid













 









Solid



















Solid








Liquid


























Liquid












Solid




CONCLUSION: ( WHAT DID YOU LEARN OR SEE)




















































































































Tuesday 9 April 2019

To see which chemical 
mix creates the most gas.

Hypothesis: (What do I think will happen)


Materials:
  1.  Ballon
  2.  Bottle
  3.  Funnel
  4. Sugar 
  5. Hot water
  6. Salt
  7. Baking soda
  8. Vinegar 
  9.  Soda water
  10. Yeast 
Steps:
  1.  
  2.  
  3.  
  4.  
  5.  
  6.  
My images:






Findings:





Balloon 1
( 3 tsp baking soda, ½ cup vinegar)
Balloon 2
( 3 tsp salt, ½ cup soda)
Balloon 3
( 2 tsp yeast, 1 tsp sugar )
Balloon Size (cm)
14cm9cm9cm
Bubbles





Conclusion:
I have learnt that carbon dioxide can make different chemical reactions