Synopsis
Spec references J247: B3.1d. Demonstration showing a small hole added to a membrane and then a lens is added. This results in showing an upside down image of a tree. Bending of light is also mentioned.
Sea turtle conservation | A Perfect Planet
Spec references J247: B6.1b, B6.1c J250: B6.1b, B6.1c. How increasing ocean temperatures affect currents, and therefore marine animals. Conservation of sea turtles example is used in this clip, including how changing sea temperatures affect their survival.
Importance of marine protected areas | A Perfect Planet
Spec references J247: B6.1b, B6.1c, B6.1d J250: B6.1b, B6.1c. How an increase of carbon dioxide and overfishing impacts the sea ecosystem. There has been the creation of marine protected areas, trying to prevent poaching. Sharks, whales and dolphins can also accidentally get killed, for example through commercial fishing.