Fossils

In what kind of rock can fossils be found?

• Sedimentary Rocks
• Igneous Rocks
• Metamorphic Rocks
• Granite

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

How are fossils created?

• Traces of organisms get turned into stone.
• Dead organisms are quickly buried for millions of years.
• Animals get trapped.
• All of the above

Tags

NGSS.MS-LS4-1

When the last of its kind dies, a species is _________________.

• endangered

• extinct

• fossil

• cast

The remains or traces of a plant or animal that lived long ago is a _____________________.

• fossil

• mass extinction

• mold

• cast

An impression of an organism, formed when sediment hardens around the organism is called a _________________________.

• cast fossil

• impression/imprint fossil

• fossil

• amber fossil

A model of an organism, formed when sediment fills a mold and hardens, is a

• cast/mineral replacement

• mold fossil

• fossil

• amber fossil

Not every animal or plant becomes a fossil when it dies. Which event BEST helps a fossil form?

• Water washes away dirt

• Animals eat the soft tissues

• Wind blows the dead organism away

• Sediment quickly buries the dead organism

Josh read about a land animal whose fossils were found in similar rock layers in Africa and South America. What can he conclude from his discovery?

• Animal fossils all look alike.

• The landmasses were once joined.

• The animals swam across the ocean.

• The fossils formed in an ocean and washed ashore.

Suppose you found fossils of sharks and other fish in a nearby forest. What could you infer about the area from these discoveries?

• The area was once a desert.

• The area was once an ocean.

• The area was once a forest.

• The area was once an ice field.

Some dinosaur fossils have body parts that look like wings. What might you conclude about these animals, based on the fossil evidence?

• These dinosaurs could fly.

• These dinosaurs lived in the ocean.

• These dinosaurs ate plants.

• These dinosaurs were tiny.