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 your teacher 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 your teacher 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 your teacher 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 your teacher if trouble persists.
Or,
dismiss this message.
Could an artist draw a picture using fire? How? Hint:
When wood burns, it becomes darker, almost black.
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 your teacher if trouble persists.
Or,
dismiss this message.
This special tool burns wood! The tip of it is extremely hot.
The dark lines in these drawings are the burnt areas.
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 your teacher 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 your teacher if trouble persists.
Or,
dismiss this message.
It got so hot in this guy's car that he was able to cook
breakfast! How else could you cook food without fire?
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 your teacher if trouble persists.
Or,
dismiss this message.
These people are using the heat from lava to cook
steak and hot dogs. Looks like it works well!
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 your teacher 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 your teacher if trouble persists.
Or,
dismiss this message.
Something strange is going on here. What do you think
is happening to all this mud?
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 your teacher if trouble persists.
Or,
dismiss this message.
This mud is boiling! Lava is so hot that even if it's deep
underground, it can still boil the mud on the surface!
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 your teacher 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 your teacher if trouble persists.
Or,
dismiss this message.
Check out these geysers. What do you think is causing
the water to shoot out like that?
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 your teacher if trouble persists.
Or,
dismiss this message.
Underground lava boils water and makes steam. When
the pressure is too much, the water erupts like a volcano!
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 your teacher if trouble persists.
Or,
dismiss this message.
Full Screen
Exit Full Screen
Here’s one last surprising thing about heat! What
do you think will happen once the candles are lit?
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 your teacher if trouble persists.
Or,
dismiss this message.
Heat can make things move! The heat from the fire pushes
air up and makes the paper spin! Try this with an adult!
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 your teacher if trouble persists.
Or,
dismiss this message.
Hot air balloons work the same way! Fire heats up the
air inside the balloon, making the air and balloon rise up!
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 your teacher 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?
-
How is cheese made?
-Glenn, 2nd Grade
-
Why do animals have tails?
-Eowyn, 4th Grade
-
How many stars are in the sky?
-Danna, 3rd Grade
Extensions
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
How is glass made?
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!