Seaweed Quiz

Which of the following statements about seaweed is TRUE?

• Seaweed grows on land.

• Seaweed is a plant.

• There is only one use for seaweed.

• There are more than 10,000 species of seaweed.

Which of the following is an example of how people are using seaweed?

• as fertilizer

• as food for animals

• to make products like shoes

• all of the above

What is one benefit of eating seaweed?

• Fresh seaweed has a rich, smooth texture.

• Fresh seaweed tastes like snap peas.

• Seaweed is a good source of salt.

• Seaweed is a good source of vitamins, minerals, and protein.

What part of wild kelp does Charlie Delius collect and grow in an aquarium tank?

• the seedlike spores

• the stipe

• the holdfast

• the grain

Why doesn’t seaweed need to be watered or fertilized?

• It grows quickly.

• Farmers attach it to ropes.

• It absorbs water and nutrients from the ocean.

• It’s a good source of vitamins.

Why do scientists consider seaweed more sustainable than land crops?

• It’s tasty and nutritious.

• It can grow with fewer resources.

• It gives food products a rich, smooth texture.

• It can be added to food for cows.

Like plants, what does seaweed use to make its own food?

• sunlight only

• fertilizer

• sunlight, water, and carbon dioxide

• sunlight, water, and oxygen

Which of the following statements about seaweed is TRUE?

• All of its parts help hold it up.

• Its stipe holds it up.

• Its holdfast pulls in water from the soil.

• All of its parts can absorb sunlight, water, and nutrients.

Almost all plastics are made using ingredients from ____.

• seaweed

• plants

• spores

• fossil fuels like oil and gas

What is one advantage of using seaweed to make plastic?

• Seaweed-based plastic breaks down harmlessly.

• Seaweed-based plastic stays in the environment for centuries.

• Seaweed-based plastic increases the use of fossil fuels.

• There are no advantages to seaweed-based plastic.