Past Climates

Open Ended

What do you think is the significance of learning about the topics covered in sections 8.11 and 9.1?

Multiple Select

Which of the following are indirect records of past climates?

• Tree rings

• Thermometers

• Coral reefs

• Ice cores

Multiple Choice

What are proxy records and how do they help us understand past climates?

• Proxy records are direct measurements of past climates using modern instruments.

• Proxy records are stores of natural information that tell us about past climates.

• Proxy records are fictional stories about climate.

• Proxy records are only found in historical documents.

Fill in the Blank

The process of sea level rising is caused by melting and ___ expansion.

Multiple Choice

Canada’s average temperatures have risen by how much in the last 55 years?

• 0.5-1°C

• 1-2.5°C

• 3-4°C

• More than 5°C

Fill in the Blank

List two types of evidence that indicate the climate is changing, as described in the slides.

Open Ended

Explain how changes in precipitation patterns can be evidence of a changing climate.

Open Ended

What is a proxy record?

Open Ended

How is it possible to reconstruct past climates? Provide and explain at least two examples to support your answer.

Fill in the Blank

CO2 and other gases trapped inside ice cores allow scientists to extrapolate average ___.

Multiple Select

Select all statements that correctly describe what can be inferred from tree rings.

• Wider rings indicate wetter climate.

• Thinner rings indicate drier climate.

• Tree rings can show evidence of fire and insect attacks.

• Tree rings are used to measure ocean temperatures.

Open Ended

Explain how pollen and fossils found in sediment can provide information about past climates.

Multiple Choice

Which of the following is NOT an example of a proxy record used to study past climates?

• Ice cores

• Tree rings

• Coral reefs

• Weather balloons

Fill in the Blank

Rising temperatures cause ice to melt from glaciers, which increases water in oceans and leads to ___ sea levels.

Open Ended

Explain how rising temperatures can impact both sea levels and ecosystems. Use evidence from the lesson to support your answer.

Multiple Choice

Based on the information provided, which of the following is a direct consequence of rising global temperatures?

• Increased melting of glaciers

• Decreased ocean water levels

• Reduced evaporation rates

• Shorter growing seasons for plants

Open Ended

Summarize one key concept you learned from today's flipped classroom session.

Open Ended

What questions do you still have about the topics covered in 8.11 & 9.1 Part 1?