Get a Charge Out of Matter Jeopardy
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Get a Charge Out of Matter Jeopardy
Sub-Atomic Awesomeness
What the heck?
Q & AReaction Jackson
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300 300 300 300
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500 500 500 500
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Final Jeopardy
Category is:
Half-lives
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Sub-Atomic Awesomeness100
• What particles make up most of the mass of an atom?
• Answer: Protons & Neutrons
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Sub-Atomic Awesomeness200
• What particles can be found in the nucleus of an atom?
• Answer: Protons & Neutrons
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Sub-Atomic Awesomeness300
• How are neutrons formed?
• Answer: Protons & electrons fuse together.
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Sub-Atomic Awesomeness400
• What is an isotope?
• Answer: An element with a different number of neutrons
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Sub-Atomic Awesomeness500
• What’s the difference between carbon-12 and carbon-14?
• Answer: Carbon-14 has two more neutrons
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Sub-Atomic Awesomeness600
• What sub-atomic particle is referred to as “nuclear glue?” Why?
• Answer: Neutrons because they hold protons together in the nucleus.
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What the Heck?100
• What the heck is made when carbon and oxygen fuse together?
• Answer: Silicon
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What the Heck? 200
1. What the heck happens to the amount of energy produced when the size of particles decrease?
• Answer: As the size of particles decrease, the amount of energy produced increases.
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What the Heck? 300
• What the heck is a nuclear reaction?
• Answer: It is a reaction that takes place in the nucleus.
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What the Heck? 400
• What the heck is the difference between fusion and fission?
• Answer: Fusion is when forces PUSH nuclei together. Fission is when forces PULL nuclei apart.
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What the Heck? 500
• What the heck are the answers to these three fusion reactions?– H He– Ne + He ?– C + O ?
• Answer: – 4H He– Mg– Si
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What the Heck? 600
• What the heck are answers to these two fission reactions?
• U-236 undergoes fission producing Sr-90, 3 neutrons, and what other product?
• U-236 undergoes fission producing Ba-142, 3 neutrons, and what other product?
• Answer: – Xe-143– Kr-91
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Q & A 100
• Why does temperature in the center of stars have to be extremely high for fusion to occur?
• Answer: So atoms can move fast enough to overpower repelling forces in the nucleus.
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Q & A 200
1. How is the atomic mass or weight calculated?
• Answer: Adding the protons and neutrons together.
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Q & A 300
• If you had 20 grams of sodium chloride, which isotope would contribute more atoms, chlorine-35 or chlorine-37? Explain your reasoning.
• Answer: Cl-35 because is has a lower mass.
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Q & A 400
• Where would the most dense gases be found inside a star? Explain using a labeled diagram.
• Answer: MostDense
Least Dense
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Q & A 500
• Thorium-234 has a half-life of 24 days. How many grams of thorium-234 would remain from 100g after 72 days?
• Answer: 12.5 grams
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Q & A 600
• Are nuclear reactions in stars due to chain reactions? Explain your reasoning.
• Answer: No, nuclear reactions in stars are due to fusion reactions. Chain reactions only occur during fission reactions.
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Reaction Jackson 100
1. Beta decay involves the decay of what sub-atomic particle from this particle in the nucleus?
• Answer: electrons from neutrons
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Reaction Jackson 200
• Alpha decay or alpha emission is the loss of what particular ion?
• Answer: Helium
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Reaction Jackson 300
• What is a fission reaction?
• Answer: Forces pulling the nuclei of an atom apart.
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Reaction Jackson 400
• Solve: Th-230 decaying by alpha emission
• Answer: Ra-226
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Reaction Jackson 500
• Solve: Po-208 decaying by alpha emission
• Answer: Pb-204
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Reaction Jackson 600
• Solve: Ra-222 decaying by alpha emission
• Answer: Rn-218
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Final Jeopardy
• Caffeine has a half-life of 5 hours and 42 minutes. If you stayed up all night playing Skyrim, drinking 200 mg of caffeine at 1:30 am on March 4, 2012, at what time and date will only 6.25 mg of caffeine remain?
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Answer
6.25 mg of caffeine will remain at 6:00 am on March 5, 2012