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Dry Ice
Thursday February 23, 2023
Students investigated the process of sublimation as frozen carbon dioxide skips the liquid phase and turns into a gas at room temperature.
Students engaged in the activity as carbon dioxide went through a physical change from being frozen as a solid and then becoming a gas at room temperature.
With this activity, students were introduced to what a physical change is and the process of sublimation.
![IMG_5245.heic](https://static.wixstatic.com/media/e2cef3_88342e30101240dab070061c065b44fb~mv2.png/v1/fill/w_461,h_461,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/IMG_5245_heic.png)
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