Categorii: Tot - convection - radiation - conduction - forces

realizată de Dave Brown 9 ani în urmă

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Forces and Energy

Energy transfer occurs through conduction, convection, and radiation, with each method playing a distinct role. Energy itself is neither created nor destroyed but can be transformed from one form to another.

Forces and Energy

Forces and Energy

Forces can affect objects close to it or far away

Gravitational forces affect us at the surface and pull on objects from many miles away
Magnetic forces protect us from particles from the sun

Energy travels in different ways

Sound waves need a medium to travel through
Light doesn't need a medium to travel through

Energy can be passed on

conduction
Radiation
Convection

Energy is never created or destroyed

The sun releases energy and doesn't create it
Energy can be changed