Fossils

_____ are the remains or traces of organisms that lived long ago.

• fossils

• organisms

• plants

• animals

Tags

NGSS.MS-LS4-1

Most fossils are found in _______.

• igneous rock

• sedimentary rock

• volcanoes

• plates

Tags

NGSS.MS-LS4-1

The original organisms were trapped in ________.

• water

• wind

• sediment

• ocean

Tags

NGSS.MS-LS4-1

The layers at the top are the ______,

• oldest

• youngest

• same age

Tags

NGSS.MS-ESS1-4

_____ and ___ changed the remains into oil, coal, and natural gas.

• heat & time

• heat & gas

• heat & pressure

• time & gas

Footprints were preserved when a dinosaur or other animal walks is ____.

• trace

• mold

• cast

• petrified fossil

A ____ is a space pressed into rock.

• trace

• mold

• cast

• petrified

A ____ cast is a mold that was filled in with minerals or grains of rock.

• trace

• mold

• cast

• petrified fossil

A _____ fossil formed when the hard parts of an organism were replaced.

• trace

• cast

• mold

• petrified