A flashlight
A hole
A Balloon pusy
A carol rhymes with barrel and is something you sing.
Sparkle Glitz put makeup on her forehead because she wanted to make up her mind.
Helium.
Helium is a gas that is weightless, odourless, and would make a barrel lighter.
a hole
The answer is a hole.
A flashlight
A hole. When you put a hole in the barrel, it reduces the weight of the barrel. But, when you remove the hole, the barrel becomes heavier.
A hole
A hole
You can put a hole in the barrel to make it weigh 8 kilograms.
On the INSIDE of the barrel, they are called grooves. Together with the ungrooved areas, called lands, they make up rifling. On the OUTSIDE of the barrel, they are called flutes. These are cuts made in the barrel to make it lighter.
A hole. A hole cannot be seen, weighs nothing, and when added to a barrel, it reduces the weight of the barrel without adding any weight itself.
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.