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E2K FINAL G4-G5

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  • campaigning
    Working hard in an organized way to make a big change happen.
  • True or False: Octopuses can change color.
    true
  • decompose
    To break down naturally and disappear over time.
  • What color are healthy coral reefs usually?
    Bright colors like pink, orange, or yellow
  • What do octopuses shoot out to escape danger?
    Ink
  • colony
    A group of animals living closely together in one area.
  • What is the octopus's body shape described as?
    Rounded
  • True or False: All octopuses live deep in the ocean.
    False
  • What do we call a verb that shows ability, permission, or advice?
    A modal verb
  • camouflage
    To hide by matching the color or texture of surroundings.
  • Living or occurring in the open sea (near the surface), away from the sea floor.
    pelagic
  • True or False: Octopuses can change color only to hide.
    False (they also use color to communicate)
  • What do octopuses use to swim backward?
    A siphon
  • What do octopuses use to pull prey into their mouths?
    Suctions on their arms
  • siphon
    A muscular tube that octopuses use to blast water and help them move.
  • What does coral eat?
    Algae and small animals called plankton
  • camouflage
    The way an animal blends in with its surroundings to stay safe or hidden.
  • Where do most coral reefs grow?
    In warm, shallow ocean waters
  • How many arms does an octopus have?
    8
  • bioluminescent
    Able to make its own light.
  • uncharted
    Not mapped or explored; unknown territory.
  • What do octopuses build from rocks to live in?
    Dens
  • What does “pelagic” mean?
    Living near the water’s surface
  • Name two sea creatures octopuses like to eat.
    Crabs, shrimp, or lobsters
  • expedition
    A journey taken for a specific purpose, often to explore or discover something new.
  • What do some octopuses use to close the entrance to their home?
    A rock “door”
  • venture
    To go somewhere that is unknown or possibly dangerous; a daring journey.
  • What causes coral bleaching?
    Pollution and rising sea temperatures.
  • True or False: The Sunlight Zone is the deepest part of the ocean.
    false
  • True or False: Octopuses have bones in their arms.
    False
  • True or False: Plastic can be harmful to sea animals.
    true
  • What is the difference between seas and oceans?
    Seas are smaller and closer to land; oceans are bigger and deeper.
  • What are some predators of the octopus?
    Seals, whales, and large fish
  • bleaching
    When coral turns white because it is unhealthy or the water is too warm.
  • What does a modal verb do in a sentence?
    Shows possibility, ability, permission, or advice.
  • invertebrate
    An animal without a backbone.
  • True or False: A siphon helps the octopus move.
    True
  • How does plastic usually enter the ocean from land?
    It gets blown into rivers or flushed down drains.
  • What kind of animal is related to the octopus?
    the squid
  • pelagic
    Living or occurring in the open sea (near the surface), away from the sea floor.
  • To hide by matching the color or texture of surroundings.
    camouflage
  • A muscular tube that octopuses use to blast water and help them move.
    siphon
  • Which ocean is the largest?
    The Pacific Ocean
  • How do humans cause problems for octopuses?
    Through overfishing, pollution, and habitat destruction
  • Name one color an octopus can turn into.
    Gray, brown, pink, blue, or green
  • True or False: Plastic can take up to 1,000 years to break down in the ocean.
    true
  • microplastics
    Tiny pieces of plastic that are smaller than 5mm.
  • Where is the Great Barrier Reef located?
    Australia
  • What time of day do deep-ocean octopuses come up to feed?
    At dawn and dusk
  • pressure
    A force that pushes strongly on something.
  • How many arms does an octopus have?
    8
  • Imagine you are an octopus. What would you do if a shark started chasing you?
    Accept creative answers: shoot ink, camouflage, swim away
  • Why is camouflage important for an octopus?
    It helps them hide from predators and surprise prey.
  • What can you do instead of using a plastic bag?
    Bring a reusable bag or backpack
  • Describe how an octopus catches and eats its prey.
    It drops down on prey and uses its arms with suction cups to pull it in.
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