oamaru stone carving

this is one of my  designs it is a Maori love heart we have been doing  some stone carving i am make in a koru 

Water rockets

1. What is the best number of fins?   I think four fins would be better because my one's didn't go far 
2. What happens to the water rocket if you do not have fins?   it doesn't fly well . 
3. What is the best nose shape?     one like an ice cream cone.
4. What happens if you have a flat nose shape?   it doesn't fly well.
5. Does ballast at the nose make any difference?  no. 
6. What is the right amount of water?    A half of bottle of water .
7. Explain what happens if you have too much water?  it doesn't fly .
8. What is pushing the rocket to make it go faster? the air from the pump.
9. Name the 4 forces that effect the water rockets flight?    the fins  and the cone  and water.
10. What keeps the rocket moving once the water has all come out?   the  air .
11.  If you were to make a water rocket again what changes would you make? make it a bit better

Interacting spheres

Atmosphere -  Air. 
biosphere - life  .
Hydrosphere- water.
Lithosphere- ground.


1. A tree is blown down by wind   biosphere/ Atmosphere
2. A person get caught in the rain  biosphere /hydrosphere 
3. Hail damages a sugar cane  crop   hydrosphere / biosphere
4 .Air next to the ground becomes warm atmosphere /lithosphere
5.  water vapor condenses hydrosphere / Atmosphere/
6. Lightning  strikes a park Atmosphere  biosphere
7.  A flash  flood forms hydrosphere 
8. A puddle seep into the ground  hydrosphere / lithosphere 

rock climbing biosphere -lithosphere 





                         swimming  - biosphere  - hydrosphere

atmosphere 
biosphere



1.A volcanic eruption at sea.
   lithosphere , hydrosphere,atomosphere

2.A hurricane in Fiji that kills 20 people.
    Atmosphere,biosphere , lithosphere

3.A snowfall in Africa.
    hydrosphere, lithosphere , atmosphere