Each toboggan started from the same place and in the same way – the twin didn’t push it
but just sat on it and it started to roll.
The top twin has just started going down the hill but the other one further down started
earlier and is going much faster.
Tell me about energy in this situation (focus on the toboggans, not the twins)
7. The inanimate nature of toboggans means they can’t have energy.
true ( ) false ( ) don’t understand ( ) not sure ( )
8. Both toboggans have the same energy, if you ignore their friction with the snow and
air resistance.
true ( ) false ( ) don’t understand ( ) not sure ( )
9. The only energy that the toboggans have comes from their movement.
true ( ) false ( ) don’t understand ( ) not sure ( )
10. The toboggan with the smoothest runners is the most efficient.
true ( ) false ( ) don’t understand ( ) not sure ( )
11. The energy the toboggans had while moving down the hill has disappeared when they
have stopped at the bottom.
true ( ) false ( ) don’t understand ( ) not sure ( )
12. The descending toboggans have force.
true ( ) false ( ) don’t understand ( ) not sure ( )