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Team 2
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15
×
What is an analogy?
A comparison between two things to help explain an idea
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baam
Lose 15 points!
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fairy
Take points!
5
10
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25
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gift
Win 10 points!
Okay!
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lifesaver
Give 25 points!
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15
×
What force holds the atom together?
The attraction between the positive nucleus and negative electrons
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15
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What is the relative charge of a neutron?
0 — no charge
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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 did scientists model atoms as until the early 1900s?
Solid spheres
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15
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What are the three types of sub-atomic particles?
Protons, neutrons, and electrons
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15
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What is the relative mass of a neutron?
1
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seesaw
Swap points!
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shark
Other team loses 5 points!
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gift
Win 25 points!
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lifesaver
Give 10 points!
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15
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What is found at the center of every atom?
The nucleus
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15
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Nearly all the mass of an atom is found where?
In its nucleus
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15
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If an atom has 4 protons (+4) and 4 electrons (–4), what is its charge?
0 — neutral
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15
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What analogy did the teacher use to describe atoms?
Atoms are like pool balls — solid spheres that hit each other but don’t change
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15
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What is the relative mass of an electron?
1/2000
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15
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Where are protons and neutrons found?
In the nucleus — the center of the atom
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thief
Give points!
5
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25
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seesaw
Swap points!
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rocket
Go to first place!
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banana
Go to last place!
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