A scale.
Things in America. Almost everywhere else they weigh 3.1751 Kg.
Scale
A white Rhino
A blue whale has a mass of over 100 tons.
A general answer to your question would be: tools. For example, a microscope is a tool that makes it easier to understand things that are too small to observe directly. An x-ray machine is a tool that allows us to see inside of things that are too hard to see inside of directly. A knife is a tool that allows us to cut up large things to see what is inside of them.
a tool to weigh objects (n)
Scales :)
I think no because the blocks would be too heavy to weigh.
The tool that you use to weigh yourself.
Things in America. Almost everywhere else they weigh 3.1751 Kg.
A tool is something that helps you build or unbuild things.
Scale
things that weigh 450 pounds
A tool for pulling things out is a pry bar or a claw hammer.
No, a food scale is not the best tool to weigh concrete blocks because concrete blocks are significantly heavier and larger than food items, and may exceed the weight capacity of a food scale. A heavy-duty industrial scale or a construction scale would be more appropriate for weighing concrete blocks.
No, there is presently not an app for the ipod touch to weigh things on its screen.
they would weigh the same everywhere