Fossils

Describes a group of living things that are no longer living.

• fossil

• extinct

• endangered

• dinosaur

The hardened remains of a living thing that died long ago.

• fossil

• extinct

• endangered

• minerals

Which type of fossil would look just like the body part of a once-living thing?

• mineral

• footprint

• cast

• petrified wood

Which type of rock are most fossils found?

• sedimentary rock

• metamorphic rock

• igneous rock

• fossils

If a scientist found a fish fossil in the desert, what can they infer?

• An animal ate the fish.

• The water covered the area long ago.

• Today's fish looks the same

• The fish is endangered.

What needs to happen FIRST for a fossil to form?

• A plant or animal must be covered by sediment.

• A plant or animal must die and decompose.

• Sediments fill a a mold to form a cast.

• An earthquake shifts the land up.

What replaces the wood of a once-living thing to form petrified wood?

• amber

• cast

• mold

• minerals

A solid copy of the shape of an organism is...

• a fossil record

• a mold

• a carbon film

• a cast

The gradual change in living things over time is..

• transition

• evolution

• age

• revolution

Most fossils form when living things die and are buried by _______________ that hardens into rock over time.

• sediment

• people

• cement

• ants