Grade 3 science revision 3rd quiz

Reorder

Reorder the following steps to forming a fossil.

• An organism dies.

• An organism is quickly covered by mud.

• Water dissolves away the remains of the body.

• Minerals enter the area and harden into rock.

• Millions of years later, water and land change.

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

The two most important things that the fossil record tell us about the history of life on Earth are...

• some species go extinct, and it is impossible for new species to take their place

• some species go extinct, and new species appear over time

• species usually never go extinct, but somehow dinosaurs did go extinct

• Earth never changes, and changes to life on Earth happen very quickly

Multiple Choice

This type of fossil is tree sap hardened and replaced by minerals.

• Petrified wood

• Imprint

• Amber

• Mold

Multiple Choice

This is an example of a

• cast fossil
• mold fossil
• trace fossil

Multiple Choice

In order for a fossil to form, which of the following events must happen FIRST?

• Slowly, minerals in the water replace the bone.
• Sediment covers the bone.
• An animal dies.
• The bone is no longer a bone, but a rock copy.

Multiple Choice

Most of the species found in fossil form are _______________. 

• Alive
• Extinct

Multiple Choice

The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?

• Fossil A and C are the same age
  
• Fossil B is older than fossil C
• Fossils A is older than fossil B
• Fossil D is older than fossil C

Multiple Choice

According to the diagram, which organism is older?

• ammonite
• coral
• gastropod
• trilobite

Multiple Choice

this type of fossil is a mold filled with sediment that creates a solid copy of an organism

• mold
• petrified
• cast
• trace

Multiple Choice

This is an example of a 

• Trace fossil
• cast fossil
• fossil mold
• carbon film

Multiple Choice

4. What is the name of this kind of fossil?

• Amber Fossil 
• Trace Fossil
• ice Fossil

Multiple Choice

Which type of fossil is is a dinosaur footprint?

• Fossil record

• Trace fossil

• Mold fossil

• Cast fossil

Multiple Choice

What type of fossil is represented in the picture?

• Mold
• Cast
• Preserved Part

Multiple Choice

What could you learn by studying footprints fossil?

• how the animal moved and the number of legs

• what the animal ate

Multiple Choice

The kind of fossil the insect is most likely to form is a __________.

• Cast fossil

• Fossil in amber

• Fossil in rock

• Trace fossil

Multiple Choice

How fossils help in understanding Earth's history?

• They are just rocks

• They provide evidence of past life

• They are only found in certain areas

• They are not useful for science

Multiple Choice

In which era was dinosaur appeared?

• Paleozoic

• Mesozoic

• Cenozoic

• None of the above

Multiple Choice

Which layer represents the Mesozoic era?

• 1

• 2

• 3

Multiple Choice

Why Ammonite is NOT a good index fossil?

• It is widespread

• it is not widespread

Multiple Choice

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

• F
• E
• B
• A

Multiple Choice

Which layer formed first?

• Rock Layer W
• Rock Layer X
• Rock Layer Y
• Rock Layer Z

Multiple Choice

the oldest fossils are found 

• At the top of the rock layers

• Near the bottom of the rock layers

• In the middle of the rock layers

Multiple Choice

Extinct fossils are living today on Earth.

• True

• false

Multiple Choice

Early fish didn't have jaw.

• True

• false

Multiple Choice

Which material oozes down tree trunk?

• Tar

• ice

• resin

Multiple Choice

To be index fossil, it must be ........

• Plentiful

• easy to identify

• widespread

• all of them