Which kind of energy is stored in the following objects? Write down in the table. (i) Compressed spring (ii) Kerosene (iii) Rolling ball ( iv) Dry cell (v) Magnet ( vi) Glowing bulb

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

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?

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?