a laboratory balance
OR
an analytical balance
OR
a spring scale
OR
any other kind of scale
You can use a simple balance.
so that they can have a better chance of finding the mass
You can dip the irregular solid in a water or other suitable liquid. This is how, you can measure the volume of the solid. The mass can be measured by weighing scale. Mass/volume = density. It is easy to measure the mass and volume of the liquid. First measure the mass the container. Then add the liquid to it. You will get the mass of the liquid. Then measure the volume of the liquid. Use the above formula to calculate the density of the liquid.
yes
The particules inside the Cotton Wool are tight together and are barly moving meaning that it is a Solid. If they were move loose and moving around than it would be a liquid. If there were not many particules and they are moving about rapidly than it would be a Gas. Even if Wool is mould-able it's still a solid.
A balance is used to measure the mass of an irregularly shaped solid.
Density can be used to determine the mass and the volume of a given solid.
To measure the volume of a solid, you would place the solid in a graduated cylinder or beaker (depending on the size of the solid) with a recorded volume of water. After putting the solid in the water, the water will rise, and subtracting the original volume from the final volume will give you the volume of the solid. Ex. Put a block in a graduated cylinder with 50 mL of water and the level rises to 75 mL. Volume=75-50=25 mL To determine the mass of the solid, you would simply mass it on a balance or scale.
They use Mass Spectrometry which determine the composition of molecule.
You would determine its mass using a mass balance.
By measuring it's gravity. The faster things are orbiting the black hole, the more gravity and the more mass it has.
Density is mass divided by volume. Can be used to determine if an object will float in a liquid or not.
its color does determine the temperature of star.
Change in colour, mass and state(ie liquid, gas or solid)
You would first determine the mass of the egg. Then you would need to determine the volume of the egg through water displacement. Then you would need to divide its mass by its volume, and that will give you the density.
the charge carried by an electron A+
Yes, a solid would have the same mass on the moon as it would on earth. An object's mass is independent of the force of gravity, so its mass would remain the same even in the absence of gravity (e.g. on a spaceship). What would change is the weight, which is measured with mass in proportion to gravity.