Dive school

Mission 1 of 4

Challenge20

Streak0

Best0

Surface Deep reef

Density scan

Bubble Scout1,072

Water1,000

Denser than water

↑Buoyancy

Bubble Scout, an orange research submarine

✦

↓Weight

Compare the scan.

First, predict

Where will Bubble Scout go?

A golden dive badge with ocean experiment props

Dive school complete

You read the water.

Less dense floats, denser sinks, and a close match hovers.

●◆●✦◆●✦●