Darnel and his classmates placed colored blocks on a scale during a science lab. The green block weighed 9.61 pounds and the orange block weighed 0.1 pounds. How much more did the green block weigh than the orange block?
To find the difference in weight, we subtract the weight of the orange block from the weight of the green block: 9.61 pounds - 0.1 pounds = <<9.61-0.1=9.51>>9.51 pounds. Answer: \boxed{9.51}.
