rocks and fossils

________________________ rocks are formed by layers of broken down rocks being pressed together over time.

• igneous

• metamorphic

• sedimentary

• fossil

___________________ rocks form when other rock types are under intense heat and pressure.

• igneous

• metamorphic

• sedimentary

• fossil

____________________ rocks are formed when lava or magma cool and harden.

• igneous

• metamorphic

• sedimentary

• fossil

_______________ are the trace remains of organisms that lived long ago.

• sediments

• igneous rocks

• fossils

• bones

Which of the fossils in the image would be the oldest?

• The fossil in layer 1

• The fossil in layer 2

• The fossil in layer 3

• All of these fossils are the same age.

Fossils are usually found in _____________.

• concrete

• soil

• grass

• rock

How are sedimentary rocks formed?

• cooling and hardening of lava

• applied heat and pressure

• compacting and cementing of sediments

• melting of rock

If rock layers are stacked on top of one another, where can the oldest layer be found?

• The top layer
• The middle layer
• They are all the same age
• The bottom layer

How are fossils created?

• Traces of organisms get turned into stone.

• Dead organisms are buried quickly and remsin undisturbed for millions of years.

• Animals get trapped in resin, tar, or ice.

• All of the above

Fossils give us evidence about which of the following?

• plants and animals that lived long ago
• how weathering and erosion break down rocks
• the other planets in our solar system
• the transfer of energy from one form  to another