Rocks Rock
What type of rocks are found near volcanoes?
Igneous
What is the physical property that describes how light is reflected off of a mineral?
Luster
Acid rain causes _______.
Weathering or rocks to be broken down.
A dark shiny rock is found that was formed quickly from lava. What type of rock is this?
Igneous
What physical property is tested when a rock is broken to see the shape the pieces make?
Cleavage
Water freezes in the cracks of a rock and then thaws. Is this an example of weathering or erosion?
Weathering
heat and pressure
What is the physical property of streak?
The color a rock leaves behind when scratched across a streak plate.
Ocean waves move sand from the beach. This an example of _______.
erosion
What type of rock are fossils found in?
Sedimentary
On the MOHS hardness scale, what level is a diamond?
10- the hardest
Plant roots growing in the cracks of a sidewalk are an example of ________.
weathering
Wind, rain, and other precipitation cause rocks to break down into ________, or ________ rocks.
sediments or Sedimentary
How do you test if a fingernail or steel knife are harder?
The steel knife could scratch the fingernail.
What is the difference between weathering and erosion?
Weathering breaks down rocks. Erosion moves sediment.