Mahi Tuatahi ^🔗

Answer the last set of questions on your Reading Tables sheet.

Exoplanets ^🔗

• Glue in your exoplanets sheet.
• Answer the questions on the sheet as we watch through the video as a class.

Volcanism ^🔗

• Volcanism implies an active core of the planet.
• This is important because it drives cycles that recycle nutrients, rocks and other materials.

$CO_{2}$ Levels ^🔗

• $CO_{2}$ is a greenhouse gas which helps warm up an atmosphere.
• Too much causes extremely hot temperatures like Venus!

Ozone Layer ^🔗

• A layer of the atmosphere that protects us from UV radiation from the Sun.
• This radiation causes cancer and kills microbial life - thus making it hard for life to evolve.
• There is a hole above NZ which means we get more UV and therefore worse sunburn.

Distance from Star ^🔗

• Too far away is too cold, and too close is too hot.
• Just the right distance is warm. This is called the Goldilocks Zone.

Clouds ^🔗

• Implies the presence of water in the atmosphere.
• Water is important for life!