Earth's Structure
Earthquakes
Volcanos
Rocks
Soil
100
Theory that suggests the continents are moving apart from each other.
What is continental drift?
100
a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
What is an earthquake?
100
Molten rock on the earth's surface.
What is lava?
100
Material of the earth's crust consisting of mineral particles.
What is a rock?
100
Organic material that has decayed completely.
What is humus?
200
Massive zone of the earth that lies between the crust and the core.
What is the mantle?
200
The cause of earthquakes.
tectonic plate movement?
200
A volcano that hasn't erupted in a long time.
What is a dormant volcano?
200
The process of rocks changing and transforming over time.
What is the rock cycle?
200

Soil that is bound together with plant roots, and is full of micro-organisms, insects, and small animals.

What is topsoil?

300
This part of the Earth's layer is solid due to enormous pressure.
What is the earth's core?
300
This is the point at which tectonic plates rub together or come apart causing earthquakes.
What are faults?
300
Cooled and dried lava.
What are igneous rocks?
300
Mechanical, chemical, and biological processes that wear down rocks.
What is weathering?
300

Garbage is part of modern life.  Most garbage is put into a ____________________.

What is a landfill?

400
A super continent comprising all of the continental crust of the earth.
What is Pangaea?
400

This is the focus point or the source of the earthquake.

What is an epicentre?

400

There are 3 main types of volcanoes.  Name 1.

What is an ash-and-cinder volcano, a shield volcano and a composite volcano?

400
This type of rock is formed under extreme heat and pressure.
What is Metamorphic rock?
400

When we put old plants, grass, fruits and vegetables out to decay, we call it __________________.

What is compost?

500

There were 3 types of evidence that supported the theory of Continental Drift that Alfred Wegener came up with.  Name one type of evidence.

Biological, Geological & Meteorlogical

500

There are 3 types of Earthquake waves.  Name 1.

Primary or P Waves, Secondary or S Waves, and Surface Waves.

500
This gas is produced deep underground and is one reason volcanoes erupt.
What is CO2?
500
Rock that is formed through the gathering of sediment washed in to the bottom of bodies of water.
What is sedimentary?
500

Plants grow best in soil that is rich in 4 different nutrients. Farmers often add these nutrients when they plant their crops. Name 1.

What is nitrogen, phosphorus, potassium and sulfur?

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