Workshops｜e-Learning for Elementary, junior-High, and High School Students

A cloud chamber enables to observe radiation trails as a fog (cloud).
Trails look like a white line on the screen.

Grade		Class		Student ID number
Name

1	■Cloud chamber video Let us observe a cloud chamber experiment. Click on the screen to play, stop, or enlarge the video.	What type of lines did you observe? If there are similar lines to the ones you saw, please select the corresponding box in the image below.
2	■Discussion Please write your observations in the box on the right (100 characters or less).
3	■Types of ionizing radiation There are various types of radiation, including alpha (α) rays, beta (β) rays, gamma (γ) rays, and neutron rays. Learn more at the following website. https://www.radi-edu.jp/kids/illust/syurui/
4	■Trails in a cloud chamber What differences in radiation do you think are related to variations in the radiation trails or traces? Please select the corresponding boxes on the right. You can select as many as apply. When selecting “None of the above,” please explain the reason in 100 characters or less.	Speed Type of radiation (particle or wave) Electric charge (amount of electricity) Energy None of the above