The material in the course notebook can be used to complete all course assignments and assessment

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity