Are killer whales really dangerous?

Are killer whales really dangerous?
Lesson narration:
English Spanish
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This water is so salty that people float in it without even trying! Do you think something REALLY heavy will float?
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Check it out! Even with a heavy rock on top of him, this person can still float!
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Salt can help other things float too! Try this: drop an egg in water and it sinks. Add salt to the water—it floats!
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You know that farmers raise animals or grow plants, but SALT farms exist too. What do you think those look like?
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Hint: if salt water dries up (evaporates), it leaves salt behind like this! Does this give you any ideas?
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Here’s a salt farm! When ocean water dries up, salt is left behind. The salt in your kitchen might come from here!
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Hmm…all of these animals are licking rocks! Why do you think they’re doing this? What is on the rocks?
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They’re licking salt off of rocks! Animals and people need some salt to survive. A farmer gave this lamb a salt block!
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Check out this pink lake in Australia! This lake has tons of salt in it. But why would a salty lake be pink? Any ideas?
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Look at the water under a microscope. See the tiny pink creatures? They love salt, and make the water look pink!
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What kind of birds are these? (You’ve seen them before, but something seems different…)
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They’re flamingos! Their feathers only turn pink IF they eat a certain thing. Can you guess what they eat?
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Flamingos eat the tiny pink creatures that love salt! So, salt gives us bright pink flamingos!
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Lesson narration:
English Spanish

Overview

In this mini-lesson students explore how the behaviors of orca whales might be influenced by the things they learn from their parents and grandparents.

Exploration

5 mins

Extend this lesson

Writing

Writing

Here are some writing prompts to help students reflect on the mini-lesson. Feel free to copy and paste them into an assignment.

  1. Are killer whales really dangerous?
  2. What did this lesson make you curious about? What other questions do you have about killer whales?

Activity

Activity

Bonus Activity: Young orcas learn from older orcas. When the young orcas grow up, they pass what they learned on to even younger animals. The same is true for people! Suppose someone new joined your class. Think about the things you learned when you were a brand new student. You learned people's names. You figured out your way around the school. You learned the games that kids played during recess. How could you help someone new figure out those things? Write about or draw some of the lessons you could pass on to a new student.
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