A type of material that tries to prevent the flow of thermal energy is called an insulator.
Answer:
if a car is increasing it's acceleration uniformly in a unit time, the graph will be moving away from it's origin. that's how you get this kind of graph.
You need 5 blocks of the smaller object to contain the same amount of volume of the bigger object
The sun always shines directly overhead at noon. This is because the equator always gets the equivalent amount of sunlight. The area always get 12 hours of sunlight, because it's 0 degrees north and south and it's at the center of the Earth.