Hefting – Heavier or Lighter
Launch:
https://www.youtube.com/watch?v=Xxs-FAHTEH0
Talk about hefting and how you would do this with objects in the classroom
Explore:
Find an item in the room that is your starting point. Now find something that is heavier, lighter and the same weight.
Fill this into the table.
Complete this strategy.
Draw each item that you pick into your table.
How do you know it is heavier or lighter?
Enabling- Find something heavier.
Extending- Prove your results showing reasoning