Nuclear Symbol
Types of Nuclear Reactions
Radioactive
Spectral Analysis
Life Cycle of a Star
100
The number of protons in both symbols below
What is 6?
100
The name of the nuclear reaction when an alpha particle falls off.
What is alpha decay?
100
The time it takes for any substance to decay to half it's original value.
What is Half-Life?
100
The type of spectra (emission or absorption) in image below
What is an emission spectra?
100
The two forces that are in competition within a "living" star.
What are gravity and nuclear fusion?
200
The mass number in both symbols below
What are 12 and 14?
200
Name of a nuclear reaction when an electron (beta particle) is added to a nucleus.
What is electron (beta) capture?
200
Generally the oldest materials in the Earths crust will be found here.
What is the bottom/lowest down?
200
The type of spectra (emission or absorption) in image below
What is an absorption spectrum?
200
The property of a star that determines it's life cycle.
What is mass?
300
Name the two isotopes shown above
What are carbon-12 and carbon-14?
300
What happens to the mass number when alpha decay occurs?
What is it decreases by 4?
300
The number of half-lives that have passed if 12.5% (1/8th) of a material remain.
What is 3?
300
The image below is from a Gizmo we used to _______
What is determine composition of a star?
300
The reason that main sequence stars expand, cool and transition to Giant/SuperGiant "old age" stage of their life.
What is they exhaust (run out) of their Hydrogen fuel?
also could accept What is burning Helium is more energetic and pushes the gas corona out farther?
400
The number of neutrons in each symbol below
What are 6 and 8?
400
When 3 helium-4's combine and form a carbon-12 _____________ has occurred
What is fusion?
400
If you start with 200g of a material that has a 35 day half-life, the mass that remains after 105 days is ___________.
What is 25 g?
400
Name for the difference between the lines shown in the two images below,
What is redshifting?
400
The type of star remnant that forms when a star with a mass between 3 and 10 times the mass of our sun completes a supernova.
What is a neutron star?
500
Name the particles below
What are alpha, beta, and gamma?
500
The missing material from the reaction below
1942K🡪 -10e + ______
Argon has atomic #18, Calcium has atomic #20
What is Calcium-42?
500
If the half-life of a materials decay is 20 days and you find that 10g remain after 40 days of decay occurred, the mass of the original amount is _________.
What is 40 g?
500
In the image below the fastest moving object is __________ and we know this because _________
What is the top galaxy is fastest because it is the most red shifted (and farthest away)?
500
The reason some people say "We are all Stardust"
What is that all elements heavier than iron (Fe) were formed in a supernova event