Available Answers

1. 1.

   Tick (√) the right answer:

   1. The part of the earth above the equator is called:
      1. Eastern hemisphere
      2. Southern hemisphere
      3. Northern hemisphere
   2. The capacity to do work is called
      1. Force
      2. Friction
      3. Energy
   3. Scissor is a 
      1. pulley
      2. inclined plane
      3. lever
   4. Electric motors convert light energy into
      1. mechanical energy
      2. solar energy
      3. Heat energy
   5. The earth's outermost hard layer is called:
      1. crust
      2. mantle
      3. core
2. 2.

   Name four forms of energy.

3. 3.

   What are planets? Name any two planets?
4. 4.

   Name three simple machines.
5. 5.

   What causes the formation of days and nights?