Rodolfo Coria and Dinosaurs

Rodolfo Coria was __________ when he first looked at Argentinosaurus.

• overwhelmed

• unimpressed

• ambivalent

• indifferent

According to the passage, an inference is:

• A conclusion based on evidence and reasoning

• A random guess

• An irrelevant statement

• A verbatim quote from the text

Rodolfo Coria needs to make inferences because he draws logical conclusions.

• To draw logical conclusions

• To confirm details

• To memorize information

• To ignore details

What can Rodolfo Coria observe in Argentina?

Fossils are imprints or parts of animals, plants, and other ________ that have been preserved in rock.

• organisms

• minerals

• remains

• artifacts

Fossils can be found millions of years after an organism died. True or False?

• True

• False

What type of rock are fossils usually found in?

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• Volcanic rock

Sediment is made up of sand, mud, and tiny bits of ______.

• rock.

• ice.

• charcoal.

• plastic.

Organisms become fossils according to the passage by being rapidly buried in sediment and preserved through mineralization.

• They are rapidly buried in sediment and preserved by mineralization.

• They are mummified and dried out.

• They are frozen in ice.

• They are preserved by dehydration.

What happens to sediment as it sinks through water and builds up on the bottom of lakes, rivers, and oceans?

• It dissolves

• It compacts

• It builds up and pushes down on the sediment below it

• It evaporates