| Homework |
|
Topic: |
| Question 1 |
What is the only fool-proof method of producing less carbon dioxide? |
C1 |
| Question 2 |
What is the scientific name for the process of particles dropping to the bottom of a lake/ sea? |
P1 |
| Question 3 |
An injection containing a safe form of a disease causing micro-organism is known as a _____________? |
B2 |
| Question 4 |
How would adding a plasticiser affect the stiffness of the substance? |
C2 |
| Question 5 |
The maintainance of a constant internal environment is also know as __________? |
B2 |
| Question 6 |
Name the three types of atom found in the polymer PVC. |
C3 |
| Question 7 |
Which substance is used in the food industry AND to make chlorine AND to treat roads? |
C3 |
| Question 8 |
Give one disadvantage of chlorinating the water supply. |
C3 |
