Rocks, Fossils, & Ages

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

In what kind of rock can fossils be found?

• Sedimentary Rocks
• Igneous Rocks
• Metamorphic Rocks
• Granite

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

According to the Law of Superposition, which layer formed first?

• Rock Layer W

• Rock Layer X

• Rock Layer Y

• Rock Layer Z

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

Finding fossils in an area can help us learn what about that location?

• Which places in the region receive the most sunlight
• The effect of the climate on the formation of the soil
• How modern plants and animals interact there
• The kinds of organisms that lived there long ago

People who study fossils are called ____.

• meteorologists

• histologists

• paleontologists

• beautificans

Which of the following is NOT an example of a fossil?

• a petrified dinosaur bone

• an ancient footprint captured in mud

• a seashell found on the beach

• an ancient mosquito stuck in hardened resin

What happens when a species become extinct?

• All of its members have died.

• Only a few of its members are still living.

• The animals can no longer lay eggs.

• All of its members move to another place.