Uses
Name 2 Indigenous uses of seaweed
Food, trade, medicine, culture, sustainability, traditions
Some kelp forests grow thick enough to become these underwater habitats
Underwater forests
Some seaweeds can grow up to this many centimetres in one day: 2, 6, 20, 60, 200, or 600?
60
Seaweed is commonly used to make this Japanese food
Sushi
Seaweed is not a true plant because it does not have these structures
Roots, stems, flowers
Seaweed harvesting has been important to many Indigenous peoples for this many years
Thousands of years, and still to this day
Seaweed is usually found in these ocean areas
Shallow coastal waters
Scientists believe seaweed farms may help reduce this global problem
Climate change
True or False: some medicines and cosmetics/make-up use ingredients made from seaweeds
True
True or False: seaweed can help make oxygen
True
Sea otters do this with kelp while sleeping
Wrap themselves in kelp
Seaweeds need sunlight, water, and this gas from the air to grow
Carbon dioxide
Kelp forests can absorb carbon faster than many of these land plants
Forest plants
Seaweed is sometimes added to shampoo to help keep hair _____
Soft or healthy
Name two different seaweeds
Kelp, nori, sea lettuce, macrocystis, sea palm, sea grapes, fucus, laver, etc.
These animals use seaweed forests for food and shelter
Fish, crabs, sea otters, sea, urchins, shrimp
Seaweeds use this process to make its own food
Photosynthesis
This type of algae was studied by Bridgette Clarkston
Red algae
Carrageenan is often used to thicken this frozen dessert
Ice cream
Name one country that is known for seaweed farming
Japan, South Korea
Farmers sometimes use seaweed as this to help plants grow
Fertilizer
This giant type of brown seaweed can grow over 30 metres long
Kelp
Scientists have described this many species of seaweed worldwide
More than 12,000
Agar agar can be used to make this wiggly dessert
Jelly/gelatin-style desserts
Name the 3 main types of seaweed/algae
Brown, red, green