2nd Grade Science › Construct an argument using evidence
I melted a crayon and then put the crayon in the refrigerator, and it did not form back into the crayon shape, just a hard pile of colored wax. I did this multiple times, and it always happened the same way. I think heating can be reversed. This is an argument based on evidence.
Which statement is constructed using evidence?
Heating and cooling is a process that can be reversed. There can be scientific investigations or experiments completed to make this statement based on evidence.
Which argument is constructed using evidence?
Becca says that some heating changes can be reversed. She gives the example of melting butter. She says that you can turn a solid piece of butter into a liquid and then turn it back to a solid. Her friend Melva disagrees and says butter cannot be changed back and forth.
Is this an argument that can be settled with evidence?
Heating and cooling is a process that can be reversed. I melted a popsicle and then put the popsicle back in the freezer, and it froze into a solid popsicle again. I did this multiple times, and it always worked. This is an argument based on evidence.
Today Patrick and Annie's mother made French toast for breakfast. She asks them if the changes to the bread can be reversed or not. Annie says the changes cannot be reversed, and Patrick says the changes can be reversed. How could the kids determine who is correct?
Heating and cooling is a process that cannot be reversed. I had a candy bar in my pocket, and it melted. I was so angry that I had wasted it, so I threw it out. This is an argument based on evidence.
Which argument is constructed using evidence?
Today is the 4th of July, and Sammie's dad celebrated with fireworks. He lit them in the yard for everyone to see. His dad asks them if the changes made to the fireworks can be reversed or not. Sammie says the changes cannot be reversed, and his dad says the changes can be reversed. How can Sammie's dad prove the changes can be reversed?