The Darkest Minds by Alexandra Bracken

Then I saw more. A boy, the same scanner machine above him flickering and smoking. Yellow. I felt my lips form the words, as if I had been there to say them. I saw a small red-haired girl from across a room much like this one; saw her lift a finger and the table in front of her rise several inches from the ground. Blue— again, the man’s voice in my head. A boy holding a pencil bursting into flames. Red. Cards with pictures and numbers of them held up in front of a child’s face. Green.