Question 1

a fossil consisting of an extremely thin coating of carbon rock

Accepted Answer

carbon film

Answer

reptile

Answer

Trace fossill

Answer

mold

Question 2

the real age of a rock

Accepted Answer

absolute age

Answer

relative age

Question 3

What is a a vertebrate animal of a class that includes snakes, lizards, crocodiles, turtles, and tortoises

Accepted Answer

Reptile

Answer

mammal

Answer

amphibian

Answer

fish

Question 4

no longer living

Accepted Answer

extinct

Answer

fossilized cricket

Answer

endangered

Answer

exiled

Question 5

fossil with a hollow area

Accepted Answer

mold

Answer

trace fossil

Answer

dead fossil

Answer

invertebrate

Question 6

animals without a backbone

Accepted Answer

invertebrate

Answer

vertebrate

Answer

fossil

Answer

mammal

Question 7

Why was there iridium in the ground?

Accepted Answer

an asteroid hit the earth

Answer

the ground exploded

Answer

the dinosaurs were filled with it

Answer

it was dirty

Question 8

an impression like a hand print

Accepted Answer

cast fossil

Answer

carbon outline

Answer

hollow fossil

Answer

trace fossil

Question 9

the time it takes half the radioactive atoms to decay

Accepted Answer

half life

Answer

full life

Answer

palentologist

Answer

paleozoic era

Question 10

studies fossils

Accepted Answer

paleontologist

Answer

doctor

Answer

potato

Answer

fossilologist

Question 11

an animal was buried from rocks

Accepted Answer

trace fossil

Answer

ground fossil

Answer

cast fossil

Answer

mold

Question 12

when living things die and are pressed into the stone or sediment

Accepted Answer

fossil

Answer

iridium

Answer

pile up

Answer

asteroid

Question 13

"about" a rocks age

Accepted Answer

relative age

Answer

absolute age

Question 14

fossil where minearls replace parts of an organism

Accepted Answer

petrified fossil

Answer

mold

Answer

trace fossil

Answer

cast fossil

Question 15

animals with a backbone

Accepted Answer

vertebrate

Answer

invertebrate

Question 16

when an animal is trapped in goo, rock, etc.

Accepted Answer

body fossil

Answer

petrified fossil

Answer

trace fossil

Answer

cast

Question 17

The three eras

Accepted Answer

paleozoic, mesozoic, cenozoic

Answer

Metazoic, petazoic, Centazoic

Answer

periods

Answer

Hypozonic, Megazonic, Traceozonic

Question 18

the record of the geological events and life forms in earth's history

Accepted Answer

geologic time scale

Answer

the rock scale

Answer

backbones

Answer

iridium

Question 19

how animals change over time

Accepted Answer

evolution

Question 20

what is one of three long units of geological time between the precambrian and present

Accepted Answer

era

Question 21

how atoms break down

Accepted Answer

radioactive decay

Answer

burning

Answer

elements

Answer

fossils

Question 22

no longer living

Accepted Answer

extinct

Question 23

how atoms break down

Accepted Answer

radioactive decay

Question 24

two atoms of the same element with different numbers

Accepted Answer

isotopes

Question 25

how long does it take for carbon 14 to break down?

Accepted Answer

over 5000 years

Answer

10 years

Answer

1 year

Answer

100 years

Question 26

a cold-blooded vertebrate animal of a class that comprises the frogs, toads, newts, and salamanders.

Accepted Answer

amphibian

Answer

mammal

Answer

reptile

Answer

insect

Question 27

warm blooded animals with verterbrae and fur

Accepted Answer

mammal

Answer

lizard

Answer

reptile

Answer

amphibian

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