Web31. júl 2010 · Here's another quick back-to-school activity I do to build community the first week of school--a lesson on hurtful vs. helpful words. Despite what our parents told us (and despite what we tell our students), … Web29. jún 2016 · In this assay, the PG2 toothpaste had no activity at any of the application times tested. The whitening efficacy results of peroxide-containing toothpastes diluted 1:3 are summarized in Table 2 and Figure 3. As with the WI means, the undiluted hydrogen peroxide- containing toothpastes, AH1 and AH2, had higher WI scores than the two …
How to Make Elephant Toothpaste - YouTube
Web31. okt 2024 · Theobromine- and chitosan-containing toothpastes, which showed antimicrobial activity against all bacteria, can be recommended as alternatives to traditional toothpastes. Keywords: Enterococcus faecalis; Streptococcus mutans; Streptococcus sanguinis; Toothpaste; antimicrobial effect. Web3. jún 2024 · You can place 5-10 drops of food coloring along the wall of the cylinder to make the foam resemble striped toothpaste. Add ~10 mL of potassium iodide solution. Do not lean over the cylinder when you do this, as the reaction is very vigorous and you may get splashed or possibly burned by steam. the grand ole party
The Toothpaste Lesson: Why I Made my Children Cry...on Purpose.
WebTry to put the toothpaste back into the toothpaste tube (a.k.a. your mouth). Students will see that while you are apologizing and trying to take the words back, you can’t fit it all back into the toothpaste tube and you can’t fully get it off their heart. Web17. dec 2024 · The first part the Toothpaste Activity is a blast! Students work in groups. They receive a paper plate and a tube of toothpaste (get blue and use grab them from your local Dollar Store). Students are then asked to squeeze out an entire tube of toothpaste, getting every last drop out. For the second part of the activity, give students a toothpick. WebCookie settings. In this video, education coordinator Joanna demonstrates why orange juice tastes incredibly bitter after you’ve brushed your teeth. A fascinating ingredient in toothpaste is the culprit. This simple activity can be set for learners to try at home with a responsible adult or used as a classroom experiment. the grand olympia