Learn English with PBS

Check the words you already know. Marca las palabras que ya conoces. Marque as palavras que você já conhece. 이미 아는 단어에 체크하세요. Позначте слова, які ви вже знаєте.

• ☐ ☐ ☐ a coast n. - land next to the ocean
• ☐ ☐ ☐ a wetsuit n. - clothing that is used by surfers & divers to keep their body warm in cold water
• ☐ ☐ ☐ hypothermia n. - a medical emergency caused by a very low body temperature
• ☐ ☐ ☐ 100 degrees Fahrenheit exp. - 38 degrees Celsius
• ☐ ☐ ☐ mammals n. - a class of animals that includes humans, dogs, elephants and whales
• ☐ ☐ ☐ a newcomer n. - someone who has recently arrived
• ☐ ☐ ☐ waded v. - walked through the water
• ☐ ☐ ☐ mere adj. - not a lot
• ☐ ☐ ☐ blubber n. - the fat of sea mammals, especially whales and seals
• ☐ ☐ ☐ an ace in the hole exp. - a big advantage
• ☐ ☐ ☐ hunted to extinction exp. - killed until no more exist in the world
• ☐ ☐ ☐ a down comforter n. - a warm blanket (made from bird feathers)
• ☐ ☐ ☐ glossy adj. - shiny
• ☐ ☐ ☐ tumble v. - fall while turning or spinning
• ☐ ☐ ☐ bob v. - float in water moving up and down
• ☐ ☐ ☐ fluffiness n. - light in texture and containing air
• ☐ ☐ ☐ buoyant adj. - able to float
• ☐ ☐ ☐ shed v. - lose hair
• ☐ ☐ ☐ pup fur n. - the soft hair of a baby animal
• ☐ ☐ ☐ comes at a price exp. - has negative consequences
• ☐ ☐ ☐ groom v. - touch and clean the fur
• ☐ ☐ ☐ insulating adj. - protect something from heat loss
• ☐ ☐ ☐ scaly adj. - covered in scales (overlapping plates)
• ☐ ☐ ☐ mat v. - (hair) become tangled, clumped, or dirty
• ☐ ☐ ☐ a hair shaft n. - the long part of a piece of hair
• ☐ ☐ ☐ a barb n. - a sharp point near the end of something

n. - noun,    v. - verb,    phv. - phrasal verb,    adj. - adjective,    exp. - expression

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1. How does the speaker describe the coast of Northern California?
   Beautiful
   Long
   Cold
   
   
2. What would lead people to hypothermia?
   Swimming in that water.
   Walking along that coast.
   Not having enough fur.
   
   
3. What is the difference in temperature between the otter and the water?
   2° F
   15° F
   50° F
   
   
4. Which mammal has been in the ocean the longest?
   Sea otters
   Sea lions
   Whales
   
   
5. What disadvantages do sea otters have for maintaining body heat (staying warm)?
   They stay in the water too long.
   They don't have blubber.
   Their fur is very thick.
   They are small.
   
   
6. How do sea otters maintain their body temperature?
   Fur
   Blubber
   Swimming
   
   
7. Why did sea otter fur almost cause their extinction?
   It was too thick.
   It carried a lot of bacteria.
   People wanted to use it for clothing.
   
   
8. How does sea otter fur keep a sea otter warm?
   It creates heat.
   It traps air.
   It melts ice.
   
   
9. What is unique about baby sea otter fur?
   It traps so much air.
   It creates extra heat.
   It doesn't have scales.
   
   
10. How does a sea otter put more air into its fur?
    It dives underwater.
    It uses a pump.
    It grooms itself.
    
    
11. Why is sea otter fur able to mat (stick) together?
    It has barbs.
    It is thick.
    It is waterproof.
    
    
12. What is different about coyote fur?
    It doesn't have barbs.
    It is not glossy.
    It feels smooth.
    
    
13. What are some of the features of sea otter fur?
    It is glossy.
    It is smooth.
    It is waterproof.
    It has two layers.
    It falls out easily.
    It is useful to make clothing.
    
    

Score:

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Directions: Write sentences about the video clip using the words given. You can change the word form or add words, but you cannot change the word order.
( ) = optional   [ ] = necessary

Instrucciones: Escriba oraciones sobre el videoclip usando las palabras dadas. Puede cambiar la forma de la palabra o agregar palabras, pero no puede cambiar el orden de las palabras.

Instruções:: Escreva orações sobre o videoclipe usando as palavras-chave. Você pode alterar a forma da palavra ou adicionar palavras, mas não pode alterar a ordem das palavras.

지시 : 주어진 단어를 사용하여 비디오 클립에 대한 문장을 씁니다. 어형을 변경하거나 단어를 추가할 수 있지만 어순은 변경할 수 없습니다.

Інструкції: Напишіть речення про відеокліп, використовуючи подані слова. Ви можете змінювати форму слова або додавати слова, але не можете змінювати порядок слів.

be / water / north / California / coast / can / cause / hypothermia / minute

Being in the water of the Northern California coast can cause hypothermia in minutes.

sea / otter / have / maintain / internal / body / temperature / around / 100 / degree / Fahrenheit

Sea otters have to maintain an internal body temperature of around 100 degrees Fahrenheit.

sea / otter / become / ocean / mammal / just / couple / million / year / ago

Sea otters became ocean mammals just a couple (of) million years ago.

unlike / other / ocean / mammal / sea / otter / no / blubber

Unlike other ocean mammals, sea otters have no blubber.

sea / otter / have / thick / fur / planet

Sea otters have the thickest fur on the planet.

their / hair / can / up / million / hair / square / inch

Their hair can [be/have] up to a million hairs per square inch.

19th / century / sea / otter / near / hunt / extinction / for / fur

In the 19th century, sea otters were nearly hunted to extinction for their fur.

sea / otter / fur / basic / waterproof / so / it / can / trap / air / near / skin / surface / when / sea / otter / underwater

Sea otter fur is basically waterproof, so it can trap air near the skin’s surface when sea otters are underwater.

fur / baby / sea / otter / trap / so / air / they / buoyant

The fur of baby sea otters traps so much air (that) they are buoyant.

sea / otter / have / constant / groom / self / put / air / fur

Sea otters have to constantly groom themselves (in order) to put (more) air [in/inside] their fur.

sea / otter / two / layer / fur

Sea otters have two layers of fur.

because / individual / hair / scaly / rough / they / mat / together / trap / air

Because their individual hairs are scaly and rough, they mat together and trap (the) air.

Because their individual hairs are scaly and rough, they mat together, trapping (the) air.

1. What are five facts that you can remember about sea otters?
2. What was the most surprising thing that you learned from this video?
3. Compared to other ocean mammals, how are sea otters unique?
4. Can you name six ocean mammals other than sea otters?
5. Do sea otters look cute? What are the five cutest animals in the world? Is the sea otter in the top five?
6. In the 19th Century, otters were nearly hunted to extinction for their fur. What other animals were hunted for their fur at that time? What animals are most commonly used for fur today?
7. How do you feel about the fur industry?