Free Printable Change Over Time

Worksheets

Change Over Time

Total questions: 25

Worksheet time: 41mins

Name

Class

Date

_______ are unique traits developed by organisms to help them survive, thrive, and reproduce in their particular environment.

cells

mutations

chromosomes

adaptations

Natural selection is defined as

the changes in the characteristics within a population that lead to survival.

the process by which humans select the most desirable organisms in a population.

the changes that occur in a population that do not affect survival.

An inherited trait that makes an individual different from other members of its species is called (can be good or bad) --

an adaptation

a variation

species

natural selection

What was the name of the ship on which Darwin traveled?

Nimitz

Retriever

Beagle

The two ways scientists can find the age of a fossil are relative dating and

natural selection

embryology

absolute dating

The statement that the oldest layer will be at the bottom in an undisturbed sequence of rock layers is called the Principle of ....

Inclusions

Unconformities

Cross-Cutting Relationships

Superposition

The Principle of Cross-Cutting Relationships states that an igneous intrusion is

always younger than the layers it cuts across

always older than the layers it cuts across

the same age as the rock it melted

none of the answers are correct

Relative age dating is used to determine the...

actual age of an event

length of time between two events

age of one event in comparison with other events

rate at which a gologic process occurs

Which of the following correctly lists the layers in order from oldest to youngest?

A, B, C, D, E

E, B, C, D, A

E, D, C, B, A

C, B, A, D, E

10.

The time it takes for half of a radioactive isotopes to decay into stable isotopes is called the

isotope decay

radiometric dating

half life

absolute age

11.

_{Which rock layer in the diagram seems to be the oldest?}

12.

How old do Paleontologists believe the Earth is?

2016 years old

3.54 billion years old

4.54 billion years old

4.54 million years old

13.

What kind of fossils are these?

Mold fossils

Cast fossils

True Form fossils

Trace fossils

14.

What kind of fossil is this?

Mold fossil

Cast fossil

True Form fossil

Trace fossil

15.

This kind of fossil leaves behind evidence of an animal's behavior or activity.

Mold fossil

Cast fossil

Trace fossil

True Form fossil

16.

Preserved remains (true) fossils are usually found in

amber, rock, ice

amber, ice, cement

amber, tar, rock

amber, tar, ice

17.

The deeper the layer the fossil is found, the older the fossil will likely be.

True

False

18.

In which kind of rock do we usually find a fossil?

sedimentary rock

igneous rock

metamorphic rock

19.

Which is the most recent era of time- the one that we are currently in?

Mesozoic

Paleozoic

Cenozoic

Precambrian

20.

The era that dinosaurs ruled the Earth's land, air and oceans.

Cenozoic

Paleozoic

Precambrian

Mesozoic

21.

What are fossils that are abundant, easily recognizable, short lived, and widespread called?

Preserved fossils

Index fossils

Imprints

Radioactive dating

22.

Saying you are older than your sister is an example of?

Absolute age dating

Relative age dating

Fossils

Radioactive dating

23.

What does absolute age tell us about a rock layer or fossil?

The 'exact' age of a fossil determined by radiometric dating

The relative age of a fossil determined by radiometric dating

Younger rock layers sit on top of older rock layers

Older rock layers sit on top of younger rock layers

24.

The end of an era, and the end of life for groups of organisms, is called?

Death

Mass extinction

Transition

Turning point

25.

Who first suggested the continental drift theory?

Charles Darwin

Alfred Wegener

Isaac Newton

Dmitri Mendeleev

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Change Over Time

Total questions: 25

Worksheet time: 41mins

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