Can Seaweed Save the World: How does all the seaweed technologies add up?

Can Seaweed Save the World: How does all the seaweed technologies add up?

Assessment

Interactive Video

Biology, Other

10th - 12th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video explores the potential of seaweed in carbon sequestration, sustainable protein production, feedstock, biochar, and biodegradable plastics. It discusses the ambitious possibilities of seaweed farming in reducing carbon emissions and its role in future food security. The video highlights the need for cautious development and investment in seaweed technologies, emphasizing the rich biodiversity of seaweed in southeastern Australia. The potential impact on climate change and the transformative nature of these innovations are also discussed.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the estimated carbon savings if 9 billion people change their diet to include sustainable fish from seaweed farms?

3 gigatonnes per year

5 gigatonnes per year

11.8 gigatonnes per year

1 gigatonne per year

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much carbon savings could be achieved if all cattle consumed seaweed feedstock?

4 gigatonnes

1 gigatonne

2.4 gigatonnes

3 gigatonnes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the potential carbon savings from using seaweed in the manufacture of plastics?

4 gigatonnes

2 gigatonnes

1 gigatonne

3 gigatonnes

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of the ocean needs to be covered with seaweed farms to offset all current emissions?

10%

100%

90%

50%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the potential carbon offset if seaweed is stored below a kilometer in the ocean?

5 gigatonnes

10 gigatonnes

53 gigatonnes

100 gigatonnes

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is southeastern Australia considered a hotspot for seaweed biodiversity?

It has the largest seaweed farms.

It has the longest coastline.

It has the most advanced seaweed research facilities.

It has the highest number of seaweed species in the world.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key concern for ecologists regarding seaweed farming?

The difficulty in harvesting

The cost of setting up farms

The lack of market demand

The potential ecological impact