A grooved tyre will not work effectively in heavy rain, neither will an intermediate tyre. When heavy rain is falling the teams will select a wet weather tyre, this looks much more like the tyre you will find on a road car.
Wing
The wings on a Formula One car work in the opposite way to an aeroplane’s wing, they are designed to push the car on to the track and provide it with more grip. The faster a car travels the more effect the wings will have on grip.