Open-and-go lessons that inspire kids to love science.

Science curriculum for K—5th grades.

90 sec
  • Hands-on — lead students in the doing of science and engineering.
  • NGSS-aligned and Common Core — make the transition to the Next Generation Science Standards and support Common Core.
  • Less prep, more learning — prep in minutes not hours. Captivate your students with short videos and discussion questions.

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What animals do these eyes belong to? (Some you may know, but some may be harder to guess!)
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The first three eyes belong to a hawk, a viper (snake), and a type of fly!
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The rest of the eyes belong to a goat, a type of spider (a jumping spider), and an octopus!
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Watch this video carefully. What do you notice about the bird’s eye?
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Many animals have an extra layer over their eye that closes. It’s like a different way to blink, cleaning the eye and keeping it wet!
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In most animals, the extra layer is completely clear or a little white-looking--but this frog’s extra layer has a pattern on it!
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This fish has two parts to each eye. Any ideas why? How could this be helpful to the fish? Take a guess.
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They live at the water’s surface, where air and water meet. It’s like they have four eyes: two look above the water, two look below.
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People move their eyes to look in different directions. But one type of animal can move its eyes in a very, very strange way…
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Chameleons can look in completely different directions at the same time! They can even see behind themselves!
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This gecko is licking its eye! It isn’t an accident--geckos do this all the time. How could licking its eyes be helpful to a gecko?
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Geckos can’t blink or make tears! Since eyes need to stay wet, geckos lick them. This also helps the geckos clean their eyes.
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This grasshopper can’t blink or make tears either. It cleans its eyes by using its leg. And check out what this crab does!
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Voting for this episode is now closed. Would you like to vote on the most recent poll?

I pulled three questions from my jar. Which question do you want to explore next week?

  • Do sharks really want to eat people?

    -Melody, 4th grade

  • How are bowling balls made?

    -Presley, 2nd Grade

  • Why don’t erasers work on pens?

    -Zairah, 3rd Grade

Why do we have tears when we cry?

Watch the video to discover the answer and don't forget to vote for next week's question. There are mysteries all around us. Have fun and stay curious!