Less.
a lightbulb
look on riddles to ponder
A hole can be put into a box to make it lighter. By removing material from the box, its overall weight will decrease.
You can put a hole in the wooden box to make it lighter by reducing the amount of material in it.
*A flashlight *Holes *Fire *Termites
Holes or spaces can be added to a box to make it lighter without changing its physical contents. This reduces the overall weight of the box without altering the items inside.
You can put a hole in the wooden box to make it lighter. By removing some material from the box, you will reduce its weight.
Holes or helium can reduce the weight of a container, if you are going down the helium route, you better make sure it is sealed.
You can put a small piece of flint and steel inside a box to create a spark for lighting a fire. Alternatively, you can place a lighter or matches inside a box to provide a convenient way to light objects.
The answer is a hole. This is because you are getting rid of some of the box so it will be lighter.
a torch
Termites.