Show:
Lesson1
Lesson2
General Questions
General Questions
General Questions
100
Minerals
What are rocks made out of?
100
decay or are eaten
What happens to the soft parts of plants and animals over time?
100
relative age
What is the age of something compared with the age of another?
100
Once living parts are filled in with minerals.
What is petrified?
100
to make roads as counter tops in landscapes (retaining walls) buildings
What are some ways rocks are used?
200
geologist
Who is a person who studies rocks called?
200
Sap from trees that harden and trap insects.
What is amber?
200
Rock cycle
What is the process by which rocks are changed from one type into another?
200
Some fossils are very rare and fragile, so they are stored and___________are used on displayed.
Why are casts used instead of the real fossil?
300
metamorphic rock
What is a rock that has been changed by heat or pressure or both?
300
When a shallow print or impression of a plant or an animal.
What is an imprint?
300
color, hardness, luster, and streak
What are the properties that identify minerals?
300
The bottom layer is the oldest layer.
What layer is the oldest layer, top or bottom?
300
with bands and without bands
What two groups are metamorphic rocks grouped into?
400
sedimentary rocks
What rocks formed from smaller bits of rocks cemented together?
400
casts
When fossils are formed or shaped IN a mold.
400
pebbles and large grains of sand cemented together
What is conglomerate?
400
the area is warm and moist
What does finding fossils of fern leaves tell scientists about the area?
400
Any trace, mark, or remains of an organism at least 100,000 years old preserved in sedimentary rock.
What is a fossil?
500
Igneous rocks
What is a rock that formed from hot molten rock material that has cooled and harden.
500
mold
What is a hallow fossil form clearly showing the outside features of the organism?
500
the area is cool
What does finding fossil evergreen leaves tell scientists about the area?
500
The process of melting, then cooling and hardening.
What causes a metamorphic rock to become a igneous rock?
500
the size of the animal if it walks or runs whether it has 2 or 4 legs
What can footprints tell you?