You scrape something when you rub a rough object along it and remove some of the top layer. When you fall over on asphalt you scrape your knees.
The car in the picture has a big scrape down its side.
Sticky tape or adhesive tape comes on a roll in many different widths and colours. It is very sticky on one side and not sticky at all on the other side. You can use it to stick things to walls, or stick pictures into a scrapbook.
A tape is a long strip of plastic, cloth or paper. Some kinds of tape have a sticky material on one side. You use sticky tape to hold things together or hang a poster on the wall.
