ACS Inquiry in Action: 2nd Grade Chapter 5 – Heating and Cooling

Lesson 5.1 - Changes Caused by Heating and Cooling  image

Lesson 5.1 – Changes Caused by Heating and Cooling

Students warm butter until it melts and then cool it until it turns hard again as they investigate the question: How do substances change when they are warmed and cooled?

 

 

 

 

 

Lesson 5.2 - Heating can make a change that cannot go back again image

Lesson 5.2 – Heating can make a change that cannot go back again

Students design and conduct an experiment to see if baking powder causes more bubbling in warm or cold water to investigate the question: Does baking powder produce more bubbles when it is heated or cooled?

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