Rock Cycle
What are the three types of rocks?
Sedimentary, metamorphic, and igneous
Tectonic plate is made of solid rock. True or false?
True
How many layers is the earth made of?
4 layers
What is the red, hot liquid that flows on the outside of a volcano?
Lava
What is the name of an area beneath a volcano where magma is collected?
Magma chamber.
Is the rock cycle a slow change or a fast change?
Slow change
What ocean is surrounded by the Ring of Fire?
Pacific ocean
What layer is made of liquid metals such as iron and nickel?
Outer Core
Gravity can pull rocks and soil rapidly down a hillside causing a:
Landslide
Give an example of how natural disasters affect people and their communities.
Possible answers:
Lack of drinking water / food
Health risks
People have to move
Emotional trauma
What type of rock is created when earth's materials are put under great pressure?
Metamorphic rock
What is another word for cracks in the crust?
Faults
What is the thickest layer?
Mantle
What is a name for volcanoes that are not active at the moment and they appear asleep, but can erupt in the future?
Dormant
What is seismograph?
A device that measures and records details of earthquakes.
What type of rock is created when either magma or lava cools?
Igneous rock
What landform happens when the tectonic plates push against each other?
Mountains
What layer are continents and oceans on?
Crust
Where do earthquakes happen?
Where two tectonic plates meet.
Scientists studying earth's layers are called...
Geologists
What is the rock cycle?
The process a rock goes through to either create a new rock or change it from one form of rock to the next.
What is the name of the supercontinent from when the continental plates were combined together?
Pangaea
What layer is made of solid metals such as iron and nickel?
Inner Core
What causes tsunami?
Earthquakes and volcanoes on the sea floor.
How do scientists know about the existence of dinosaurs in the past?
From fossils.