Water Cycle
Which is most responsible for the uneven heating of the air in the atmosphere?
a)convection
b)condensation
c)radiation
d)conduction
What is A--Convection?
What happens to metal railroad tracks during the heat of a summer day? A decrease in weight B decrease in length C increase in weight D increase in length
What is D? increase in length
People sitting around a campfire are able to feel the heat from the fire. How are the people able to feel the heat from the fire without touching the fire? A The heat from the fire travels through the ground and heats the ground around the people. B The heat from the fire is conducted through air molecules to the people. C The heat from the fire rises in the air and then settles around the people. D The heat from the fire radiates from the fire to the people.
What is D? The heat from the fire radiates from the fire to the people.
What is c? 6 pounds
What is c? a physical change, because the matter changed its state