Heavy or light?

1
Heavy or light?
2
Which is heavier?
Feather
Pencil
3
Correct
Pencil
4
Which is lighter?
Sea Shell
Book
5
Correct
Sea shell
6
Which is heavier?
Crayon
Jam jar
7
Correct
Jam jar
8
How many cubes does it take to balance the scales?
9
Correct
4
10
How many cubes does it take to balance the scales?
11
Correct
8
12
How many cubes does it take to balance the scales?
13
Correct
14