he has to read a tripple beam balence and mesure the pltates
In a solid the atoms are tightly packed together meaning that they vibrate in place slowly. In a liquid the energy gets faster and they have enough space between each other where they can move past one another. And in a gas the particles are moving very fast and they are spread out even further than a liquid.
Answer:
The official measurement unit for energy is the Joule (J). Among the most common units measuring energy mention should be made of the kilowatt/hour (kWh), used especially for electric energy (in fact it is used to calculate electricity bills).
Explanation:
Answer:
They could lose their magnetism if they are dropped too hard or banging against something (the ground)
Explanation:
the domains may bump out of alignment. hope this helps ! :)