Embedded Files
Gunnar J.
CO2 Bubbles. I turned solid CO2 into a gas by adding it to hot water. CO2 expands when it turns from a solid into a gas. I captured the expanding CO2 in dish soap and it created a bubble.
GunnarJoy2021 - Annika Joy.movReviewer Feedback:
Gunnar, this is so cool! I love your experiment Dry Ice can do so many things and you just showed us another one. You did a fabulous job explaining what dry ice is and how you can make bubbles with it. It was fun to see you make so many. I was very impressed with your safety - wearing glasses and gloves as you did your experiment. Thanks for showing us this awesome experiment!
Mallory Z.
Levitating Magnets!
IMG_4400 - Jennie Zumbusch.MOVReviewer Feedback:
Mallory, I thought you cast a spell to make the magnets levitate! Thank you so much for sharing this awesome experiment and explaining what happens when magnets repel against one another - LEVITATION! You did a great job of explaining what was happening and how it happened. I also was happy to hear that it was easier than you expected. I learned something new because of you. Thank you for doing such a good job sharing your project!
Micah R.
First the aluminum can is filled with a small amount of water. By boiling the water, the water changes from a liquid to a gas. This gas is called water vapor. The water vapor pushes the air that was originally inside the can out of the can.
When the can is turned upside down and placed in the tray of water, the mouth of the can forms an airtight seal against the surface of the water in the tray. In just a split second, all of the water vapor that pushed the air out of the can and filled up the inside of the can turns into only a drop or two of water, which takes up much less space inside the can.
This small amount of water cannot make enough pressure on the inside walls of the can, and none of the outside air can get back into the can. The “crushing” result is the pressure of the air pushing from the outside of the can.
The sudden collapsing of the can toward its center is called an implosion.
IMG_0096 - Justin Rezac.MOVReviewer Feedback:
Fabulous professional presentation skills. Well spoken. Very Cool subject "crushing a can". You crushed the experiment.Good presentation timing. It worked perfectly for the video. Excellent Job throughout.
Very Fun to watch and learn about Science.
Tenzin M.
The importance of Handwashing.(First Grader)
PeDB5GscT0idZVWC5LcuCA - lobs choe.MOVReviewer Feedback:
Fabulous imagination using the specs to represent germs. Perfect experiment for showing the importance of washing hands. Very important. Wonderful when you looked into the camera and spoke loudly and clearly. Good explanation of the process and good use of props.
Elsa M.
Rubber egg in vinegar experiment.
IMG_9071 - Mari Melin.movReviewer Feedback:
Good use of creative visual, like the title of the experiment. Very creative title. Fun experiment. You showed this when you bounced the egg on the counter. You did a wonderful job explaining it at the end. Very talented at telling us about your experiment all the way through the presentation. Hope you had fun doing the presentation. It looked like you did!
Amelia S.
This is a car that is fueled by leaves so there is no pollution. The leaves go in a basket that sucks them into a machine that spins them into a liquid gas that becomes the gas for the car to run. It needs to go to special gas stations that fill the car with leaves gas in order to run.
IMG_1104 - Christina Sandok.MOV
Reviewer Feedback:
Amelia, this is such a wonderful idea! I love that you are already thinking about the environment and ways to fuel cars that do not require gasoline. Your prototype was detailed and I was able to understand how the leaves would convert into power. Keep up the good work and ways to make the earth cleaner and the planet more healthy for all of us.
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