Sedimentary Rocks and Fossil Fuels

The preserved parts or traces of animals and plants that lived in the past.

• Sediment

• Fossil

• Decay

If looking at layers of sediment in the earth, which layer is the youngest?

• Top

• Middle

• Bottom

If you found a woolly mammoth tusk in the desert, what would you know about what that area was like millions of years ago?

• The area was once a cold, icy region.

• The area was always a desert.

• The area was once underwater.

• The area was a volcanic region.

In order for a fossil to be made, the conditions have to be just right.

• True

• False

Rock made of layers of compressed organic and inorganic sediments.

• Decay

• Fossil

• Sedimentary rock

Small pieces of rock are called:

• Pebbles

• Sediment

• Mountains

• Valleys

When a fossil is found, it tells us about

• the age of the Earth

• past life forms

• the future climate

• modern technology

If a fossil of a sea shell is found somewhere, there must have been a _______ in that area once.

• sea

• forest

• desert

• mountain

What type of fossil would come from a large lake?

• Reptile fossil

• Leaf fossil

• Freshwater fish fossil

Cementation helps “glue” sediments together.

• True

• False