Deep Time - Environmental Processes & Changes Over Time.

What is an ice age?

• A period of warmer global temperatures

• A period of colder global temperatures and recurring glacial expansion

• A short-term weather change

• A time of increased volcanic activity

What is the purpose or motive of a source?

• To determine the weather patterns

• To know who the source was made for and for what purposes

• To list the types of climates

• To identify the main rivers

What was the name of the single continent formed by Australia, New Guinea, and Tasmania during times of lower sea levels?

• Gondwana

• Pangaea

• Sahul

• Laurasia

What do glaciers do over land?

• Melt quickly

• Stay stationary

• Slowly flow

• Evaporate

What was the main reason Tasmania became isolated from the rest of Australia?

• Aboriginal people chose to leave mainland Australia.

• Rising sea levels separated Tasmania from the mainland.

• Glaciers and ice sheets expanded, blocking travel.

• Forests grew too dense for people to cross.

How did Tasmanian Aboriginal people adapt their diet around 4000 years ago?

• They stopped eating fish and focused on gathering shellfish

• They began farming crops instead of hunting

• They moved inland to hunt large animals

• They stopped eating seafood entirely

What has happened to the Australian coastline over the past 35,000 years?

• It has expanded as glaciers melted

• It has remained the same throughout history

• It has receded, with large areas being flooded

• It has been raised higher above sea level

How do Aboriginal dreamtime stories provide evidence of past climate change?

• They describe how Aboriginal people invented boats

• They tell of a time when the former coastline was flooded by rising sea levels

• They explain how Aboriginal people built walls to stop flooding

• They show that climate change did not affect Australia

What is climate change?

• Short-term shifts in weather over a few days

• Long-term shifts in temperatures and weather patterns

• A natural event caused only by volcanic eruptions

• A process that only affects Australia