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

Science curriculum for K—5^th grades.

Hands-on — lead students in the doing of science and engineering.
Standards-aligned science lessons — Cover core standards in 1-2 hours of science per week.
Less prep, more learning — prep in minutes not hours. Captivate your students with short videos and discussion questions.

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People dress up in costumes to look like something else. Bugs dress up in “costumes” too! What would a bug dress up as?

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These caterpillars (of bagworm moths) dress up as sticks. They wear sticks so that predators—animals that want to eat them—don’t notice them!

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Some caterpillars will also use leaves as a “costume”! Nothing to see here—just a pile of leaves moving through the forest!

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Another kind of bug (called a caddisfly) lives at the bottom of almost every river. They make “costumes” from pebbles and shells in the river...

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This “costume” helps them hide from predators! Think like an artist. How could you get a caddisfly to “dress up” in jewelry like gold and pearls, instead of “dressing up” in shells and pebbles?

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An artist left pebble-sized pieces of gold near the caddisflies, and they covered themselves in it! Once the bug leaves its “costume,” people use the empty case as jewelry!

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These bugs are part of a group of insects called “assassin bugs.” They’re fierce hunters that sneak up on their prey. Look what they’ve caught…

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Some assassin bugs wear “costumes.” What do you think this “costume” is made of? Go ahead and take a guess.

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The “costume” is actually the assassin bug’s dinner! Look closely and you’ll see the leftovers from the meals this bug has eaten!

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Check this out! Look closely at these plants. They have clumps of foamy bubbles all over them! What could be making the bubbles?

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Let’s look in the bubbles! There’s a tiny bug! Watch closely as the bug makes bubbles. It hides inside them when it’s a baby (larva).

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This kind of bug, called a spittlebug, is a baby in the spring. So when it’s spring, look for their bubbles in plants! Can you find one?

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Most bugs don’t “wear” anything on their bodies. But some bugs do have beautiful colors and patterns. And sometimes...

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...those colors and patterns almost look like masks! Depending on the pattern, the masks can look happy, sad, or even surprised!

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Spiders have color patterns that can look like faces, too! This spider lives in Hawaii and is called the happy-face spider!

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The next time you dress up—like at a costume party—I wonder what you’ll dress as!

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Voting for this episode is now closed. Would you like to vote on the most recent poll?

We pulled three questions from our jar. Which question do you want to explore?

What's at the end of a rainbow?

-Addie, 3rd Grade
Are bumblebees and honeybees the same thing?

-Tyler, 1st Grade
How are marshmallows made?

-Kylah, 3rd Grade

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