Across
2. tool that shows wind
direction
3. temperature scale where
water freezes at 32 degrees
and boils at 212 degrees.

2. Wind vane. A wind vane is an instrument that determines the direction from which the wind is blowing. I’m sure you have seen a simple one on someone’s roof. Look up a picture and it should help you understand what it looks like and how it works.
3. Fahrenheit scale. I’m not sure what country you are in, but this is the scale used commonly in America. It’s represented as °F.

Butterfly wingspan is 7.7