You should use something with a low density like foam...
styrofoam, but warning fammable and unsafe for the environment!
Typically, cardboard is lass than 0.4 cm thick.
Yes, styrofoam is full of air cells and air is a good thermal insulator. Styrofoam has poor solvent resistance, and poor hot performance.
Styrofoam is an insulator.
Styrofoam generally provides better insulation than cardboard. Styrofoam has a higher insulating capacity due to its closed-cell structure, which traps air and provides better thermal resistance compared to the open-cell structure of cardboard. Additionally, Styrofoam is more water-resistant, making it a better choice for insulating against moisture.
No
simple cardboard
The weight of 5 inches of styrofoam and cardboard together will depend on the density of the materials. Styrofoam is lighter than cardboard, so the combined weight will be relatively low compared to other materials. If you provide the density of each material, a more accurate calculation can be made.
no
Stick a toothpick or a needle into the styrofoam ball and mount it on a piece or cardboard or a flat piece of styrofoam, then spray paint it.
Cardboard carton is stronger than styrofoam carton since it is used in most industrial packaging, whether it be the food industry or electronics industry. When it is sealed with a quality case sealer and a durable carton sealing tape, then you're sure that your carton packaging can withstand whatever environment it will be stored in.
Styrofoam is lighter than water, so it floats. In nature, heavy objects are more effected by gravity, so they are forced down.
cardboard takes less time to break down in a landfill
you could use wood, Styrofoam, cardboard, or paper.
I would put it some packing materials away from all electronics. Once, i ordered some magnets and they came in a cardboard box, in Styrofoam. LOTS of styrofoam
Newton's cradle may not work as effectively with Styrofoam balls compared to metal balls, as Styrofoam balls are lighter and less dense. The lighter weight of Styrofoam balls could affect the momentum transfer between the balls, potentially leading to a less pronounced swinging motion in the Newton's cradle.