Thursday, 22 April 2010

What is in soil?

Choose the right words from the list below in the right sentence:
rock, four, magnifying glasses, sieves, microscope, three, organic, separated.

1. We used _________ to separate out the rocks and soil.

2. Soil is made up of _________ material (it used to be alive), as well as fragments of ________

3. We used _________ sieves and __________ the soil into _________ different piles of material.

4. Afterwards, we used __________ and a ___________ to look at the particles.

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