Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
Full Screen
Exit Full Screen
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
Full Screen
Exit Full Screen
Full Screen
Exit Full Screen
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
It’s hard work to scrub things clean with a brush or a mop! What
could you invent to do that work for you?
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
Water sprays out of this tool at almost 250 miles per hour--way
faster than a car--instantly scraping off layers of dirt!
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
Some people even use water sprayers to make art! The lighter
parts are areas that have been cleaned by the superfast water.
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
Some dogs hate baths. They want it over with quickly. What could
you invent to give a dog a nice bath, quicker?
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
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!
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
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?
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
This invention fills up 100 balloons in one minute! Tiny tubes carry
water to each balloon. Rubber bands even “tie” them closed!
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
What’s coming out of this toy to knock down these cups? (It
seems invisible…)
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
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!
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
Check out this experiment! These people made a giant air cannon
to see how powerful it would be!
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
Full Screen
Exit Full Screen
This invention shoots out powerful sprays of water below a pair
of shoes. What do you think would happen if you wore them?
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
The sprays of water are so powerful that they push people up into
the air. People can even spin around and do tricks!
Full Screen
Exit Full Screen
Full Screen
Exit Full Screen
Please wait…
This video is having trouble loading. You may have lost your Internet connection.
Step 1: Click to Reload this page
Step 2: Click to
Try our other video player
Step 3: contact support if trouble persists.
Or,
dismiss this message.
Full Screen
Exit Full Screen
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?
-
Do trees sleep?
-Miles, 2nd Grade
-
Why do chameleons change color?
-Iva, 1st Grade
-
Who invented chairs?
-Ximena, 5th Grade
Is the video not playing properly?
Please follow these steps:
- Very rarely a video will fail to completely load in your browser. Try to reload this page to see if that fixes the problem.
- If reloading does not help, try our other video player .
- If the video still fails to play, open this video in a new tab and please let us know you’re having trouble. We want to fix this issue for you.
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!
