What is the main focus of Mr. Hassan's video?

• To analyze a specific exam question.

• To introduce new scientific concepts.

• To demonstrate a science experiment.

• To discuss the history of science.

Why can't the mass of object X be determined from the diagram?

• Because the objects are not visible.

• Because the diagram only shows volume displacement.

• Because the objects are too small.

• Because the diagram is unclear.

Which object has the largest volume according to the analysis?

• Object Y

• All objects have the same volume

• Object X

• Object W

What is necessary to accurately compare the masses of different objects?

• A magnifying glass

• An electronic or lever balance

• A thermometer

• A ruler

Which statement about object Y's volume is incorrect?

• Object Y has the same volume as object X.

• Object Y's volume cannot be determined.

• Object Y has a larger volume than object X.

• Object Y has a smaller volume than object X.