Ms. Smith is teaching a lesson about energy. She has her students evaluate her activities as she teaches the lesson.
Which of Ms. Smith's activities show energy transfer?
(4 points)
This DOES show an energy transfer to an object. This does NOT show an energy transfer to an object.
Ms. Smith waits patiently while her students settle into their seats.
This DOES show an energy transfer to an object. – Ms. Smith waits patiently while her students settle into their seats.
This does NOT show an energy transfer to an object. – Ms. Smith waits patiently while her students settle into their seats.
Ms. Smith pushes her markers out of the way so she can put her papers on the table.
This DOES show an energy transfer to an object. – Ms. Smith pushes her markers out of the way so she can put her papers on the table.
This does NOT show an energy transfer to an object. – Ms. Smith pushes her markers out of the way so she can put her papers on the table.
Ms. Smith picks up a book, drops it, and allows it to hit the floor.
This DOES show an energy transfer to an object. – Ms. Smith picks up a book, drops it, and allows it to hit the floor.
This does NOT show an energy transfer to an object. – Ms. Smith picks up a book, drops it, and allows it to hit the floor.
Ms. Smith throws a piece of trash into the trash can.
This DOES show an energy transfer to an object. – Ms. Smith throws a piece of trash into the trash can.
This does NOT show an energy transfer to an object. – Ms. Smith throws a piece of trash into the trash can.
This DOES show an energy transfer to an object. – Ms. Smith throws a piece of trash into the trash can.
The activities that show energy transfer are:
1. "Ms. Smith pushes her markers out of the way so she can put her papers on the table." - This shows an energy transfer to an object as Ms. Smith transfers energy to the markers in order to move them.
2. "Ms. Smith picks up a book, drops it, and allows it to hit the floor." - This also shows an energy transfer to an object as Ms. Smith transfers energy to the book when she picks it up and drops it, causing it to hit the floor.
3. "Ms. Smith throws a piece of trash into the trash can." - This again shows an energy transfer to an object as Ms. Smith transfers energy to the trash when she throws it into the can.
The activities that show energy transfer to an object are:
1. Ms. Smith pushes her markers out of the way so she can put her papers on the table. In this activity, Ms. Smith transfers energy to the markers as she pushes them.
2. Ms. Smith picks up a book, drops it, and allows it to hit the floor. In this activity, Ms. Smith transfers energy to the book as she lifts it and then transfers additional energy to the book when she drops it, causing it to hit the floor.
3. Ms. Smith throws a piece of trash into the trash can. In this activity, Ms. Smith transfers energy to the trash by propelling it through the air and into the trash can.
The activities that do not show energy transfer to an object are:
1. Ms. Smith waits patiently while her students settle into their seats. In this activity, there is no direct energy transfer to any object.
It is important to note that energy transfer occurs when energy is transferred from one object or system to another. In these activities, Ms. Smith transfers energy to the markers, book, and trash can through her actions.