WorksheetsEvolution of Land Review
Total questions: 15
Worksheet time: 8mins
Which is true about relative dating?
It uses radioactivity to find the age of rocks.
It works just as well when the rocks are removed from their layers.
It makes use of index fossils to find the age of the rocks.
It is less exact than absolute dating.
Which of the following is evidence of continental drift?
(check all that apply)
Shapes of the continents fit together
Fossil evidence of similar creatures in distant places
Watching the continents move by standing very still
Patterns of volcanoes show plate boundaries
If a radioactive element has a half-life of 10,000 years, how much of it would be left after 40,000 years?
100%
25%
4%
12.5%
What would be the half-life of a radioactive element that drops to 25% of its original amount after 600,000 years?
1,200,000 years
600,000 years
300,000 years
15%
What is the correct order of the Eras in Earth's history?
Cenozoic, Mesozoic, Paleozoic, Precambrian
Precambrian, Mesozoic, Paleozoic, Cenozoic
Precambrian, Paleozoic, Mesozoic, Cenozoic
Paleozoic, Precambrian, Cenozoic, Mesozoic
During which era did the dinosaurs live?
Precambrian
Paleozoic
Mesozoic
Cenozoic
During which era did bacteria first appear?
Precambrian
Paleozoic
Mesozoic
Cenozoic
During which era did Pangaea form?
Precambrian
Paleozoic
Mesozoic
Cenozoic
During which era did mammals dominate?
Precambrian
Paleozoic
Mesozoic
Cenozoic
What causes each Era to end, and the next one to start?
It happens every 600 million years
Major change in the rocks
Mass extinctions
Minor extinction events
Which rock layer is the oldest?
R
I
F
B
Which rock layer is the newest?
R
M
F
B
Which of these is in the correct order from oldest to newest?
MHR
MFB
RHM
MRH
Which type of fossil is this?
mold
cast
body
trace
Which type of fossil is this?
mold
cast
body
trace
