In the thermal conductivity investigation with beads attached to different materials, the bead on the metal spoon fell off first. This suggests that:
1 )
Metal has a lower melting point than other materials
Metal conducts heat more efficiently than other materials
3 )
The petroleum jelly adhered less strongly to metal than to other materials
4 )
Metal absorbed more water than the other materials
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!