What is a Quark in an atom?

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What is a Quark in an atom?

Lesson Worksheet: Quarks: Answer Lesson the following questions.

1. The smallest particle of an atom is called ______

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2. How many electrical charges does electron have?

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A) 1

B) - 1/3

C) -1

D) 3

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3. True or False: Atoms are made up of protons, neutrons and electrons.

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True

False

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4. How many quarks are there in a neutron?

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5. How many quarks are there in a proton?

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6. The basic building block for all matter in the universe is?

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7. The nucleus is held together by the ___________

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8. The existence of quarks was first theorized in 1964 in the work of two physicists __________, and ___________.

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A) Albert Einstein and Isaac Newton

B) Galileo Galilei and Werner Heisenberg

C) Murray Gell-Mann and George Zweig

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9. What is the relative charge of a down quark? write the letter of the correct answer.

A) 2/3 B) -1 C) –1/3 D) 3

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10. What is the relative charge of a up quark? write the letter of the correct answer.

A) 2/3 B) -1 C) –1/3 D) 3

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