how do we know that the earth has a liquid core

not all the seismic waves pass through to the other side

seismic waves pass through the earth slowly

how does an earthquake usually happen

2 plates next to each other will overcome the friction between them and slip creating an earthquake

2 plates crash into each other creating an earthquake

he couldn't get enough evidence

he wasn't a well supported scientist

similar rocks and fossils found on different continents

continents fit together like a jigsaw puzzle

plant fossils found in places that they wouldn't be able to grow in

the continents had never moved and had always been in fixed positions

Quiz

grace.picken 11 Fragen

Quiz starten

1how do we know that the earth has a liquid core
1. Anot all the seismic waves pass through to the other side
2. Bseismic waves pass through the earth slowly
2the inner and outer core are made up of iron and nickle
1. ARichtig
2. BFalsch
3what cause the lava to move
1. Aconvection currents
2. Bconduction currents
4the pieces of the earth are called tionic plates
1. ARichtig
2. BFalsch
5what is the super continent called
1. Apangea
2. Bpenia
3. Cpania
6what can happen when two or more plates collide
1. Amountains are created
2. Bearthquakes
3. Ctsunamis
4. Dbad weather
5. Eoutbreaks of diseases
6. Fnothing
7what causes convection currents
1. Anuclear reactions
2. Bthe rotation of the earth
8what can scientists predict about an earthquake
1. Awhere it will occur
2. Bwhen it will occur
9how does an earthquake usually happen
1. A2 plates next to each other will overcome the friction between them and slip creating an earthquake
2. B2 plates crash into each other creating an earthquake
10why did scientists reject Wegener's theory
1. Ahe was a meteorologist
2. Bhe couldn't get enough evidence
3. Che wasn't a well supported scientist