| Homework |
|
Topic: |
| Question 1 |
Give two other clues found in sedimentary rock which hint at the conditins under which the rock was formed. |
C3 |
| Question 2 |
What do the materials cotton, paper, and silk all have in common? |
C2 |
| Question 3 |
Give one source of microwaves other than ovens. |
P2 |
| Question 4 |
A person with one recessive faulty allele can pass that allele onto their children but won't show any symptoms themselves. They are known as a __________ of the disease. |
B1 |
| Question 5 |
How fast is the speed of light through a vacuum (in km/s)? |
P1 |
| Question 6 |
As the size of hydrocarbons increase the force between the molecules…(increases/stays the same/ decreases). Delete the wrong ones? |
C2 |
| Question 7 |
Selective breeding and natural selection are similar. Why is the selective breeding more dangerous for the organism? |
B3 |
| Question 8 |
Which useful chemical can the acidic gas, hydrogen chloride be converted to by oxidation? |
C3 |
