Author Question: Pumice is a volcanic rock that floats, which means its density is A) less than the density of ... (Read 80 times)

dakota nelson · **on:** Jul 29, 2018

Pumice is a volcanic rock that floats, which means its density is

A) less than the density of water.
B) equal to the density of water.
C) more than the density of water.
D) need more information.

Question 2

A scale from which a rock is suspended reads 5 N when the rock is out of water and 3 N when the rock is submerged. The density of the rock is

A) the density of water.
B) 1.5 times the density of water.
C) 2.5 times the density of water.
D) 3.5 times the density of water.
E) none of the above