Literacy in Science: Learning to Handle Text as Technology
Evaluation Early in 1988 Ben, age 8, wrote the following explanation of the origin of our planet:
Our Planet Earth’s core is as hotasthe (x hot as the) furthest outer layer of the sun.
They are both 6000c°. Earth started as a ball of fire. Slowly it cooled. But it was still too hot for Life. Slowly water formed and then the (firstsx) first sign of life, microscopic cells. Then came trees. About seven thousand million years later came the first man.