Available Answers

1. 1.

   The atmosphere is made up of a number of layers.
   In which layer is weather produced? Which layer is above the ozone layer? Which layer is the top layer of the atmosphere? Refer the diagram on the next page.

2. 2.

   What does the water in the air make?
3. 3.

   Where do living things get the nitrogen they need from?
4. 4.

   Make up two questions about gases using the information in this section. Ask your partner the questions and try to answer theirs.
5. 5.

   Air has many properties. Unscramble these words; they are all from this section.

   1. YERNEG
   2. DIMLWINL
   3. LAFINET
   4. EMPRESSCOD
   5. UPRESRES
6. 6.

   Which part of this flame would be hottest? Why?