Relative and Absolute Dating Crossword Puzzle

QUESTIONS LIST:

• c14: what do scientists use to measure artifacts under 30,000 years of age?
• absolute dating: in order to date old materials, scientists use?
• 5730: the half-life of carbon-14 is
• uranium 238: if i were to measure a dinosaur fossil which element should i use?
• rock correlation: what is the method used to date fossils from that can be miles away from each other?
• unconformity: what is the contact between sedimentary rocks that are significantly different in age, or between sedimentary rocks and older, eroded igneous or metamorphic rocks?
• fossil: any remains, impression or trace of a living thing from a former geological era.
• superposition: law of _ - samples of earth and rock nearest the surface will be newer in age than those beneath them.
• sedimentary rock: no element can date me accurately what rock am i
• radiometric dating: what is a technique used to find materials such as igneous or gas?