Weely Plan 21st January

NO POLLUTION?

Do you remember what's the Scientific Process? Follow the steps to proceed with this new experiment. Record your findings in a presentation of no more than 6 pages. Share it with your teacher.

Materials needed:

3 eggs
A spoonful of salt
3 transparent recipients (e.g. 3 cutouts plastic bottles/ plastic cups)
Water
Lemon juice
Vinegar

Notes:
We want to represent pollution agents in our planet in the following way:

• Lemon juice with salt: Intermediate Level 
• Vinegar: High level
• Water: Clean environment, no pollution at all. 

PROCEDURE

1.  Add the following substances to the transparent recipients: 

• Recipient 1: lemon juice and salt
• Recipient 2: vinegar
• Recipient 3: water

2. Add an egg into all of the recipients.

3. Leave it for 1 hour.

4. Write your results and try to explain the meaning of these components at the different levels of pollution, how it affects environment and the Earth's biosphere.

Alejandra Sanchez Salazar