Certainly one of my favourite issues to do as of late is to journey bikes with my daughters. Typically I even file these rides on Strava as a result of my older daughter now desires to maintain monitor of how briskly she will be able to go down a bit part of highway in our neighborhood (present file 10.5mph). After we had been driving earlier this week she complained in regards to the cracks within the pavement in a single a part of our neighborhood and requested, “why does the highway crack?”
I did my finest to reply my daughter’s query of “why does the highway crack?” by explaining that there’s a lot of water within the floor in our space. When that water freezes it expands and pushes up on the pavement which then makes it crack. She’s six, so I am unsure she fairly received it even after I made the analogy to certainly one of our clay backyard pots cracking for a similar purpose final winter.
As I nearly at all times do when my daughters ask me a query that I have never considered in a very long time, I turned to YouTube looking for a visible clarification of why roads crack within the winter. After a bit looking out I discovered this video from the Minnesota Division of Transportation. Bounce to the 1:14 mark within the video to see an outdated visible of what occurs when moist soil freezes.
This matter is a superb one for an animated clarification. Pupil can use some easy animation instruments to create an evidence of what occurs when water and or soil freezes and pushes up towards a hard and fast or inflexible object. Register for my new Animated Explanations course to discover ways to create and use animated explanations in your classroom.