Little does she know it, but while Ileana is having a great time at camp, making new friends and learning new skills, some of her neural connections are growing stronger—especially in her hippocampus—and new synapses have been constructed. What is the name of this process by which experiences become lasting memories?

Consolidation

Explanation:

Consolidation is a process that is changed our short term memory into long term memory. Her short term memory is like have a short capacity and a short period. The short term memory is like to store the memory for 30 seconds. Memory consolidation is functions that helping in brain synapse activity. The synapse passes the signals from one neuron to another neuron. It transfers the information with the help of neurotransmitters.  

So that Little does she know it. Ileana has a great time in the camp. It is about making new friends and learning new skills. Some connections are strong in hippo-campus. This occurs in the process of consolidation.

it is due to the halo effect as the impression of the boy created earlier.on the mind of the principle affected his decision

the answer is a wheel