Creations (R)


Match the items on the right to the items on the left. Review the lessons before taking this exercise.
Radioactive datingUsed by scientists to estimate ages of rocks, fossils and the earth; contrary to misconception, it is not used to date rocks at millions of years old.
Radioisotope datingPrimary dating method scientists use for determining the age of the earth
Radioactive decaySome isotopes of certain elements are unstable; they can spontaneously change into another kind of atom.
RadiohalosResult from physical damage caused by radioactive decay of uranium and intermediate daughter atoms of polonium
RATE groupRadioisotopes and the Age of The Earth; investigated the assumptions made in standard radioisotope dating practices
Recolonization TheoryTheory by some creationists in UK and Europe that fossil record is a record not of catastrophe but of processes during recolonization.
Red in tooth and clawFeatures that animals possess to kill prey or defend themselves
Relative moralityThere is no God to whom we have to give an account.
Ruin-reconstructionAnother name for Gap Theory
Robert PlotMade the first discovery in 1677 of what later were called dinosaurs
Richard OwenCoined the term “dinosaur” from Greek words meaning “terrible lizard.”

Exercises created by Atty. Gerry T. Galacio. You can freely use these exercises, but you must not upload them to any website or the cloud. For comments, questions, corrections, or suggestions, email


Exercises created with freeware Hot Potatoes v. 6.3 from the University of Victoria in British Columbia, Canada.


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