My soil report

My soil report                                                       March 28/3/12

After studying science for  last few weeks I have learnt about seeds, pollination and different types of soil.
Now we are researching about four questions.


What is soil?

Soil is a mixture of sand, loam and clay that helps plants grow .Nutrients  in the soil come from dead bugs, leaves, twigs and other organic material.There are different types of soil such as loam. Did you know that sand is a type of soil too? Nutrients in the soil come from dead bugs, dead roots, twigs and leaves.

Why is  soil important?

Soil is important because  it keeps trees up straight. Soil is important  because it gives us food like fruits and vegetables. It also is a habitat for invertebrates such as earthworms and cicadas  because cicadas lay their eggs  under ground .

Is soil a habitat?

Yes. Soil is a habitat  for many invertebrates  such as earthworms  and  cicadas. Did you know that moles live in the soil even though they aren’t invertebrates? That is cool . Tuatara live in burrows in the soil to be safe and  they  hide in it too  if predators  come and try to eat them .

How have people affected soil?

People have affected soil  by cutting down our trees.When they cut down our trees the soil gets washed down.  It goes into  clean lakes and then those lakes get polluted  and then our native fish and plants die and that is not good. EWe need trees to clean air. They breathe in our carbon dioxide    and breathe out good oxygen so   please  stop cutting down trees.

By Brandon Eliu