# Science

Which choice describes how energy is transferred at the particle level through the process of conduction?

A. The fast-moving particles in the colder material collide with the slow-moving particles in the hotter object. The collisions transfer energy from the fast-moving particles to the slow-moving particles, increasing their speed and thermal energy.

B. The fast-moving particles in the hotter material collide with the slow-moving particles in the colder object. The collisions transfer energy from the fast-moving particles to the slow-moving particles, increasing their speed and thermal energy.

C. The fast-moving particles in the colder material move into the hotter material. The slow-moving particles in the hotter material move into the colder material. The two materials switch temperatures.

D. The fast-moving particles in the hotter material move into the colder material. The slow-moving particles in the colder material move into the hotter material. The two materials switch temperatures.

I have no idea, science is really difficult for me.

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1. You're being intimidated and that's ridiculous.
Look up conduction and think it through. It just makes common sense. Think of a red hot rod. The particles are moving rapidly because hot particles have more energy than cold particles. Now touch your finger to the hot rod. The colder particles in your finger are moving slower because they have less energy.

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