Dolphin expert Dan Odell answers basic questions about dolphins and their lives.

Kids learn how dolphins eat, sleep, and live together. Bottlenose dolphins and orcas travel the ocean in pods.

Echolocation is the ability to orient by transmitting sound and receiving echoes from objects in the environment. As a result of a Marco-Polo type activity and subsequent lesson, young scholars learn basic concepts of echolocation. They...

In the previous lesson, students learned about the issue of bycatching by fisheries and how it affects marine habitats. Dolphins are one of the main species affected by bycatching. Dolphins use echolocation to identify the location of...

Students learn how ultrasonic sensors work, reinforcing the connection between this sensor and how humans, bats, and dolphins estimate distance.