What can change the position, physical composition, or temperature of matter?

what are the properties of physical and chemical changes individually

how can we recognize physical and chemical changes (for science lab please help!)

you mix 2 substances in a beaker and expect them to undergo a chemical change. the temperature of the mixture does not change...

Where can I find a list of the different types of engineering and physical scinces?

Say you have a container and you have to fill it up with water or any liquid, and then have to find it's mass and substance a...

Which has a greater electric resistance: electric conductors or electric insulators? WHY? Please answer, thanks :)

I heard that when caucasians are born they have blue eyes. how long before their eye colour changes to say like brown or gre...

I think the answer is that the color depends on how hot the star is, but I'm not sure. I think some sites have said that it d...

Humans sense physical pain through the nerve system of their body. Many religious people believe that they possess a soul th...

A string is stretching a distance of 3.5 meters and it is vibrated at one end of it with a frequency of 60 Hz. A standing wav...