A company uses a substance that is a solid under normal conditions. If the substance is heated, its molecules move faster, which results in a
phase change.
Energy would be transferred...

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

How many neutrons does an element have if its atomic number is 50 and its mass number is 166