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15
×
What is found at the center of every atom?
The nucleus
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×
boom
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star
Double points!
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fairy
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10
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25
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thief
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25
15
×
What are the three types of sub-atomic particles?
Protons, neutrons, and electrons
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15
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Where are protons and neutrons found?
In the nucleus â the center of the atom
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15
×
What is an analogy?
A comparison between two things to help explain an idea
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15
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What is the analogy comparing the size of the nucleus to the atom?
If the atom were the size of a football stadium, the nucleus would be the size of a pea
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thief
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25
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gift
Win 25 points!
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shark
Other team loses 25 points!
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lifesaver
Give 25 points!
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15
×
What is the relative charge of an electron?
â1
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seesaw
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gift
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gift
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baam
Lose 25 points!
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15
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What is the relative charge of a proton?
+1
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15
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What analogy did the teacher use to describe atoms?
Atoms are like pool balls â solid spheres that hit each other but donât change
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15
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Where are electrons found?
They orbit outside the nucleus
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eraser
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gold
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rocket
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banana
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15
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Why are analogies useful in science?
They help us imagine things that are very small or very big
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15
×
Why do atoms have no overall electric charge?
Because the number of protons equals the number of electrons
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15
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What did scientists in the early 1900s want to find out?
What is inside an atom
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