Show:
Minerals
Types of Rocks
Sedimentary Rocks
Metamorphic Rocks
Fossils
100
The softest mineral on the Mohs' hardness scale.
What is talc?
100
A material made up of one or more minerals.
What is rock?
100
Sandstone and limestone.
What is sedimentary rock?
100
Schist, gneiss, and marble are this kind of rock.
What is metamorphic rock?
100
Rocks that hold clues to life on Earth long ago.
What are fossils?
200
The hardest mineral on the Mohs' hardness scale.
What is diamond?
200
Magma after it leaves a volcano.
What is lava?
200
Rocks are broken down into smaller pieces by this.
What is weathering?
200
Schist is a metamorpic rock that has either straight or wavy layers of minerals.
What is wavy?
200
The hard parts or the soft parts of animals and plants take longer to decay.
What are the hard parts?
300
Describes the way the surface of a mineral reflects light.
What is luster?
300
Rocks that form when melted rock cools and hardens.
What is igneous rock?
300
The movement of weathered rock pieces from one place to another.
What is erosion?
300
Metamorphic rocks can form from _______________ rocks.
What is igneous, sedimentary, or metamorphic?
300
Tracks, burrows, droppings, and worm holes are ________ fossils.
What are trace fossils?
400
A mineral's ability to resist being scratched.
What is hardness?
400
Rock that forms in layers.
What is sedimentary rock?
400
When erosion is caused by water, over time the rock pieces drop to the bottoms of what.
What is a stream, river, or lake?
400
You can find fossils in metamorphic rocks.
What is false?
400
An imprint made by the outside of a dead plant or animal is called a mold or a cast.
What is mold?
500
The color of the powder left behing when you rub a mineral against a white tile.
What is streak?
500
Rock that forms from great heat and pressure.
What is metamorphic rock?
500
The pieces of a conglomerate can be as big as boulders or as small as ________.
What are peas?
500
High heat and great pressure can change the texture of rock-the way it looks and feels. True or False.
What is true.
500
Sometimes a whole organism is preserved in sap, tar, or ice. This is called a _____________ fossil.
What is a body fossil?