How Old Is The Earth
1.
T
F Scientists are almost always objective and report their
findings in an
unbiased manner without trying to influence public opinion.
2.
T
F The existence of Niagara Falls is an indication that
the North American
continent is less than
10,000 years old.
3.
T
F The San Andreas fault moves at the rate of one to two
inches per year.
4.
T
F The San Andreas fault provides evidence that North
America
is probably less
than 5,000 years old.
5.
T
F Short-period comets revolve around the sun once every
100 years of less.
6.
T
F Short-period comets only last for a maximum of 10,000
years before they
burn out.
7.
T
F The existence of over 100 Short-period comets
provides evidence that our solar
system is less than 10,000
years old.
8.
T
F 1400 years ago the earth’s magnetic field was twice
as strong as it is today.
9. T
F The rapid decay of
the earth’s magnetic field is an indication that the earth is
young -- not much
more than 10,000 years old.
10.
T F Helium
is a byproduct of the radioactive decay of earth’s rocks.
11.
T F Assuming
little or no helium in the atmosphere when the earth was created,
at current rates of accumulation, the helium that now exists would build
up
in only 1.76 million years.
Bonus Questions
1. Stalactites
have been known to grow at the rate of one ______ per year.
2. How
old is the oldest living thing on Earth, and what significance does this have on
the age of the earth debate?
_____ years. __________________________________________________.