Which of the following is a fossil?

• dead mouse in the grass

• bird footprints in the sand

• a decaying log in the forest

• giant fern imprints in coal

Tags

NGSS.MS-LS4-1

If you found this fossil while digging around, what organism would you guess it came from?

• fish

• lizard

• porcupine

• iguana

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Above are examples of fossils commonly seen in Big Bend National Park in west Texas.

What does the presence of these fossils suggest about the past climate in the area where Big Bend National Park is located?

• The area was covered by a glacier in the past.

• The area was covered by an ocean in the past.

• The area had much higher rainfall in the past.

• The area was much warmer in the past.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

In the picture of sedimentary rock, the oldest fossils are found in which layer?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

A cast fossil is...

• a mold that was filled in with sediment and then hardened into rock.

• when the actual plant or animal has been preserved.

• the imprint of an organism, left behind in rock.

• impressions created by an organism moving

A "true form" fossil is...

• a mold that was filled in with sediment and then hardened into rock.

• when the actual plant or animal has been preserved.

• the imprint of an organism, left behind in rock.

• impressions created by an organism moving

A mold fossil is...

• a mold that was filled in with sediment and then hardened into rock.

• when the actual plant or animal has been preserved.

• the imprint of an organism, left behind in rock.

• impressions created by an organism moving

Look at the following pictures of rock layers with fossils. Which fossils are most likely the youngest?

• a

• b

• c

• d

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

This fossil was found in the desert. What type of environment used to exist here?

• polar

• forest

• desert

• shallow sea

Fossils are evidence of...

• future life

• ancient life

• present life

Tags

NGSS.MS-LS4-1