density etc
what is density?
how tightly something is packed together
what two charges do protons and electrons have?
positive and negative charges
give an example of a dense or very dense object
uranium atoms, some cake,
what is static electricity?
a buildup of electric charge on the surface of an object
what is buoyancy?
the ability or tendency to float in water or air or some other fluid.
which things move from one object to another in static electricity situations?
electrons
why do water and oil separate?
because their density is different, water is more dense than oil
If an object gains extra electrons after being rubbed, what kind of charge does it have?
negative
You pour honey, dish soap, water, vegetable oil, and rubbing alcohol into one container. Which liquid ends up on the bottom, and why?
honey bc most dense
Two balloons are rubbed on the same person's hair. When brought close together, they push away from each other. Why?
same charge so they repel