Into the Unknown: Above and Below

What is the best summary of the passage?

• Auguste Piccard collected scientific data using balloons.

• The Piccards traveled to the bottom of the Challenger Deep together.

• The Piccards were important explorers of Earth’s atmosphere and oceans.

• Jacques Piccard explored underwater in the Trieste and set a record for deepest dive.

The passage says that many remote places had yet to be visited. This means that the places were

• distant.

• frightening.

• large.

• different.

How did Auguste help Jacques?

• Auguste used cotton to create a canopy

• Auguste became a physics professor in Belgium.

• Auguste observed cosmic rays in the stratosphere.

• Auguste knew the principles of pressurized cabins

What is Lucite?

• a subatomic particle

• a strong artificial glass

• a dense layer of cold water

• a machine that sends sound waves

How were the Piccards different from other adventurers of the past?

• The Piccards were scientists

• The Piccards were navy sailors

• The Piccards were former soldiers.

• The Piccards were Belgian engineers.