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Match the letters below with the correct choice on the right…

Match the letters below with the correct choice on the right. Selections on the right may be used once, more than once, or not at all. In the photoelectric effect, ___A___ are emitted from a metal surface when a light beam is directed on it.  To explain this effect Einstein proposed that light consists of tiny bursts of energy called  ___B___ . Einstein’s formula for the photoelectric effect is very simple: hf = KE + w where hf =  ___C___. KE =  ___D___.  w =___E___.

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Match the letters below with the correct choice on the right…

Match the letters below with the correct choice on the right. Selections on the right may be used once, more than once, or not at all. The process of splitting a large nucleus into smaller ones is called nuclear ___A___ .  Each of the new nuclei will have   ___B___ binding energy per nucleon than the original nucleus did. When a nucleus breaks apart, two or three ___C___  are set free at the same time. These particles may cause other nuclei to split causing a chain reaction. In a nuclear reactor the chain reaction is ___D___  but in an “atomic” bomb the chain reaction speeds up producing a destructive power. Joining two light nuclei together to give a single nucleus of medium size is called nuclear  ___E___. This process produces  ___F___ binding energy per nucleon, and it is a very effective way to produce energy. This is the main energy source of the sun and other stars. The big problem in making this kind of energy practical is to achieve the necessary combination of ___G___ , density, and confinement time.

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 ¿Qué hora es?       12-07.png

 ¿Qué hora es?       12-07.png

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Which subject pronoun will you use to talk about Juan Pablo…

Which subject pronoun will you use to talk about Juan Pablo y yo?

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1. The verb “ser” is a/an __________ verb.

1. The verb “ser” is a/an __________ verb.

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It’s four a.m. Son las cuatro

It’s four a.m. Son las cuatro

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Fill in the blank. What is the correct conversion of 0930 (m…

Fill in the blank. What is the correct conversion of 0930 (military time) to standard time?

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If you have a group of 1 chico + 2 chicas you will refer to…

If you have a group of 1 chico + 2 chicas you will refer to the group with _____.

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What does “adios” mean?

What does “adios” mean?

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Select the correct present tense conjugation of the verb “se…

Select the correct present tense conjugation of the verb “ser” in the following sentence. Tú _______ la mejor maestra de inglés.

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