Dorotanhilarioviz
Answered

SENSE of Touch: What is the difference between sandpaper and the rough board?​

Sagot :

Marydianejaymeviz

Answer:

Sand Paper Rankings. Grades K-12. To demonstrate  and the Touch Boards Materials Three rectangular boards: Rough and Smooth Board 1 One divided into two halves: the first half is polished and the second half is covered in sandpaper.

Explanation:

Touch Boards Materials Three rectangular boards: Rough and Smooth Board 1 One divided into two halves: the first half is polished and the second half is covered in sandpaper