Marianne Tollefsen

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Marianne Tollefsen
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Cut up paint chips or scraps of colored paper to create student assessment…

Marzano: "This is probably one of my favorite things for my classroom so far. Its a little self-assessment flip chart. I have made one for each student and it will sit on the corner of their desk. It is small enough that it wont be embarrassing for the

Sodium acetate, also known as 'hot ice' is an amazing chemical you can easily…

You can supercool hot ice or sodium acetate so that it will remain a liquid below its melting point. You can trigger crystallization on command, forming sculptures as the liquid solidifies. The reaction is exothermic so heat is generated by the hot ice.