Absolute Dating Question Preview (ID: 33711)


Using Lab Knowledge To Learn About Absolute And Radioactive Dating. TEACHERS: click here for quick copy question ID numbers.

An isotope has a different number of
a) Neutrons
b) Protons
c) Electrons
d) Atoms

Which isotope did the PHET simulation use?
a) Carbon-14
b) Carbon-12
c) Potassium-40
d) Candium

How many atoms decay in one half life?
a) Half, 50%
b) All, 100%
c) None, 0%
d) 3/4, 75%

In the lab, the split peas represent
a) Decayed atoms
b) Undecayed atoms
c) Green M and Ms
d) Vegetables

In the lab, the M and Ms represent
a) Parent atoms
b) Daughter atoms
c) Decayed atoms
d) Candy

What charge does a neutron carry?
a) None (neutral)
b) Positive
c) Negative
d) Half

Carbon-14 has how many protons?
a) 6
b) 8
c) 14
d) 12

In total there are 50 total atoms. If there are 36 undecayed atoms, how many decayed atoms are present?
a) 14
b) 36
c) 22
d) 50

Decay refers to
a) How radioactive atoms change into stable atoms
b) Creating bigger atoms
c) How old something is
d) The amount of atoms in a sample

After two half lives, what percentage of parent atoms remain?
a) 25%
b) 50%
c) 12.%
d) 0%

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