Science Homework #18: Year 11

Science Homework #18:  Year 11


Homework    Topic:
Question 1 A climbing rope would be srong in (compression/ tension) and weak in (compression/ tension). Delete the wrong ones! C2
Question 2 Why is the rate of extinction increasing? B3
Question 3 Name two products from incomplete combustion C1
Question 4 Give two ways in which new drugs are tested in the labs. B2
Question 5 Give two ways in which plants can naturally clone. B1
Question 6 Compounds made up of only carbon and hydrogen atoms are called? C1
Question 7 How do white blood cells recognise micro organisms? B2
Question 8 What is the source of the Sun's energy? P1