3. Fishing ships use * to detect a school of fish in the water.
Five clues about my sound object.
1. Works well under water.
2. Makes a pinging sound when it detects something under water.
3. Scientists can use certain types of this device to scan the bottom of
an ocean or a lake.
4. Can detect small sounds under water.
5. Can measure distance, direction, and speed.
By Romelene