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Definitions
Rocks
Minerals
Fossils
100
The age of something compared to the age of another thing.
What is relative age?
100
Rock whose from has been changed by heat and/or pressure.
What is a metamorphic rock?
100
These are the properties that scientists use to identify minerals.
What is color, luster, streak and hardness?
100
This is the type of rock where most fossils are found.
What is sedimentary rock?
200
A fossil created by a print or ano impression.
What is an imprint?
200
A never-ending process by which rocks are changed from one type to another.
What is a rock cycle?
200
This is what happens when bones and wood become petrified?
What is once living parts are filled in by minerals?
200
These are the three types of fossils.
What are imprints, molds, and casts?
300
A naturally occurring substance, niether a plant nor animal.
What is a mineral?
300
"Fire-made" rock formed from melted rock material.
What is an igneous rock?
300
Lava cools quickly as it is exposed to air then minerals don't have a chance to form large grains.
How do rocks like basalt form?
300
Hardened tree sap, yellow to brown in color, often a source of insect fossils.
What is amber?
400
A fosssil formed or shaped within a mold.
What is a cast?
400
A rock formed from bits or layers of rocks cemented together.
What is a sedimentary rock?
400
These are the parts of an animal that become fossils.
What are bones, teeth, and shells?
400
Footprints - size of an animal & whether they walked or ran & if they walked on 2 or 4 legs. Strong jaws with pointed teeth - animal was a meat eater. Fossil ferns - Area was once a warm or hot, moist climate. Fossil evergreens - Area once was cool.
What are clues that fossils give?
500
A type of fossil that is a hollow form with a particular shape.
What is a mold?
500
This is a type of sedimentary rock that occurs when its pebbles and large grains of sand cement together.
What is a conglomerate?
500
Rocks come in different colors, shapes, and sizes and ALL rocks are made of minerals.
What are two characteristics of rocks?
500
Dinosaurs did not drag their tails.
What did scientist learn about dinosaurs when they walked?