We have been looking at wind direction.
We have been out on the back field with the balloons and discovered that the wind can change it's direction frequently.
Today we tested our Wind Vanes...
In the morning there wasn't enough wind to
turn our wind vanes.
In the afternoon...
They blew away because the wind was so strong!
We discovered if we held onto them tight that
they spun in the direction that the wind was blowing.
Here is a link to how to make a lego weather vane.