What are Igneous, Sedimentary, & Metamorphic rocks?
What can you learn from Fossils?
What are some other ways fossils form?
What happens once fossils are formed?
100
The study of the properties of rocks to tell how the rocks may have formed.
What is a Geologist?
100
.... magna that has cooled and hardened above or below Earth's surface
How do Igneous rocks form?
100
The soft parts quickly decay or are eaten.
What happens when a plant or animal dies?
100
This is a sticky sap that oozes from certain trees.
What is amber?
100
Metal rods, and wires are used to hold up a skeleton, artificial bones may replace missing ones, real fossils are covered with shellac to protect them
How are fossils assembled for display?
200
Are natural occurring, substances that are neither plants nor animals.
What is a mineral?
200
Some form from smaller bits of rock that become pressed or cemented together. Some are made of substances that were once part of living things. Some form when minerals dissolve in lakes and small seas that evaporate.
How do sedimentary rocks form?
200
....animal tracks, body outlines, leaf prints, and grooves made by tiny fish bones.
What are imprints?
200
"turned to stone"
What does petrified mean?
200
In the ground fossils are mixed with rocks. In museums the rocks are removed and the fossils may be coated with varnish or shellac to protect them. Casts may be used instead of real fossils.
How do fossils displayed in museums compare with those in the ground?
300
By it's color, by the way light bounces of it(luster), rubbing it on a streak plate, hardenss.
What are three ways to tell minerals apart?
300
....rocks form when heat and pressure chemically change rocks.
How do metamorphic rocks form?
300
This is a hollow form with a particular shape. This forms when water seeps int the rocks where a shell is buried. Usually shows the outside feature of the shell.
What are molds?
300
Bones have a hard, compact outer layer. Inside is a spongy layer with connected openings or pores. When a bone is buried, minerals may slowly seep into the pores and fill them.
How do you think bones become petrified?
300
Meat eaters had strong jaws with pointed teeth.
What are carnivores?
400
Describes the way light bounces off a mineral sample.
What is luster?
400
This is a never ending process by which rocks change from one type into another.
What is the rock cycle?
400
formed or shaped inside. The minerals take the shape of the object or form a copy.
What is a cast?
400
What it ate, its size and shape, its environment, body covering and so on.
What could a scientist learn from a frozen animal?
400
Footprints can show the size of an animal, whether it was walking or running, and how many legs it walked on.
What are three things that footprints can tell a scientist?
500
Quartz is colorless, white, pink, and purple and Mica is colorless, silvery, and brown.
How can you tell mica from quartz?
500
Things that lived long in the past and how they changed. They also tell about changes in Earth's lands and temperatures.
What do fossils tell about the past?
500
imprints, molds and casts
What are 3 kinds of fossils?
500
A whole animal could become a fossil by becoming trapped in a protective material, such as tar or amber.