If you float a piece of wood in a container half-full of water ...

[KWilfred]

If you float a piece of wood in a container half-full of water that rests on a weighing scale, the weight reading on the scale will
 
  A) decrease.
  B) remain unchanged.
  C) increase.

Question 2

Two life preservers have identical volumes, but one is filled with Styrofoam while the other is filled with sand. When the two life preservers are fully submerged, the buoyant force is greater on the one filled with
 
  A) Styrofoam.
  B) sand.
  C) same on each as long as their volumes are the same

[samiel-sayed]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: C