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It’s hard work to scrub things clean with a brush or a mop! What
could you invent to do that work for you?
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Water sprays out of this tool at almost 250 miles per hour--way
faster than a car--instantly scraping off layers of dirt!
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Some people even use water sprayers to make art! The lighter
parts are areas that have been cleaned by the superfast water.
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Some dogs hate baths. They want it over with quickly. What could
you invent to give a dog a nice bath, quicker?
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This “Woof Washer” sprays water out of a hoop, cleaning all sides
of the dog at once! A bottle of soap is attached too, so it’s faster!
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It takes a long time to fill up even one water balloon. What could
you invent to fill lots of water balloons all at once?
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This invention fills up 100 balloons in one minute! Tiny tubes carry
water to each balloon. Rubber bands even “tie” them closed!
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What’s coming out of this toy to knock down these cups? (It
seems invisible…)
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This is an “air cannon”--it pushes air, and the air can knock things
over. If you put “fog” in it, you can see the air move!
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Check out this experiment! These people made a giant air cannon
to see how powerful it would be!
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This invention shoots out powerful sprays of water below a pair
of shoes. What do you think would happen if you wore them?
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The sprays of water are so powerful that they push people up into
the air. People can even spin around and do tricks!
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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?
-
Are any animals picky eaters?
-Evan, 4th Grade
-
Could a baseball pitcher throw faster than the wind?
-Colin, 2nd Grade
-
Why do some animals sleep during the day?
-Eliana, Kindergarten
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How were LEGO bricks invented?
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!
