5. The magma contains hot liquid rock. When the
pressure is too high, eruption happens. The magma
goes up the vent very quickly and erupts from the
crater.
11. Earthquake
It’s a natural disaster that we cannot stop
them from happening. Earthquakes can
destroy buildings and people can be
trapped under the fallen building.
26. Moving awayMoving away
Not all animals accommodate ecosystem changes. Some must
find new places to live in to find food, water and shelter.
27. ExtinctionExtinction
If an organism does not find its need after ecosystem changes,
it will die. Sometimes a species can slowly disappear and
become extinct.
30. Reduce
• Turn off the lights when you do not need them
• Turn off TV when not watching it
• Write on both sides of sheet
• Close tap ( faucet ) while brushing teeth
• Fix leaky toilets and faucet
• Ride bike instead of a car
Use less of something
31. Reuse
• Wash glass bottles and reuse them
• Donate clothes and books so that other people uses them
• Reuse old clothes as cleaning rags
• Use plastic shopping bags as garbage bin
• Buy rechargeable batteries to use
Use something again
32. Recycle
• Recycle paper, plastic, glass and metal
• Recycle paper to make newspaper, cards.
New product from old materials
