1) Which one is part of lever. 2) A) Load B) fulcrum C) effort D) all is a wheel like machine with groove on it. A) a cart B) pulley 3) We can create sound by A) Tearing paper C) clapping hand A) Liquid B) solid C) scissor B) hitting the table D) All C) gas C) 4 4) Which one is not a sound transmitter? D) vacuum 5) How may types of musical instruments are there? A) 3 B) 2
