“Faith is the confidence that what we hope for will happen; it gives us assurance about things we cannot see.” ( Hebrews 11:1)
If you believe that God is who He says He is and that He will keep His promises, you have all the faith you need.
Try the fall back test- just as God promises to provide for all our needs, ask a family member to promise to catch you as you fall backwards towards them!
Now see the power of the wind which we usually cannot see in the formation of a tornado in a jar and try the experiment at home with an adult to help.