A Blimp Is Filled with 430 M³ of Helium

question 55

Multiple Choice

A blimp is filled with 430 m³ of helium.How big a payload can the balloon lift? (The density of air is 1.29 kg/m³;the density of helium is 0.18 kg/m³. )

• A) 387 kg
• B) 555 kg
• C) 77 kg
• D) 477 kg
• E) ​632 kg

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Definitions:

Control Condition

In experimental research, it's the group that does not receive the experimental treatment, serving as a baseline to compare the effects of the treatment.

Scientific Theory

A well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation.

Testable

Characteristics of a hypothesis or theory that allows it to be disproved or supported through scientific experimentation or observation.

Predictions

Statements or claims made about the future based on current evidence or observations.