Geo Flashcards Preview

Science > Geo > Flashcards

Flashcards in Geo Deck (13):
1

What's a renewable source?

Something that can be used again, can be replaced in your lifetime.

2

What's a non renewable source?

Something that can be replaced in your life time. Eg fossil fuels; coal, oil, gas.

3

What does sustainable mean?

Something that will last, ensuring that there will be resources for future generations to enjoy.

4

What does resources mean?

Things that we use- eg coal, oil, gas to produce electricity.

5

What's the difference between oceanic and continental crust?

Oceanic- made of basalt, heavy denser.

Continental- made of granite, lighter , thicker.

6

What does coal produce?

Produces a lot of energy.

7

What does gas produce?

Produces a lot of energy.

8

Is oil cheap of expensive?

Cheap.

9

What is the ring of fire?

A chain of volcanoes in the Pacific Ocean.

10

What happens?

They erupt as they are all active.

11

How are earthquakes measured?

They are measured on the Richter scale ( magnitude )

12

How are the tremors measured?

Seismometer measured earthquake tremors.

13

Name all the plates.

Eurasian plates - looks like droopy slime.

Pacific plates - looks like half a face.

Antartican plates - at the bottom.

African plates - looks long.

Australian plates - has a hole in.

Narzca plates - looks like a carrot.

North + South American plates- at the bottom has sharp thing.