Which is true about the particles of a gas?

The remain in relatively fixed positions.

They are the slowest-moving particles of any of the states of matter.

They are the fastest-moving particles of any of the states of matter.

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

What produces wave a)sound b) heats c)transfer of energy d)vibrations