1. Volcanoes and Earth Movements
2/7/17

2. Earthquakes revisited
Earthquake japan 3/11/11
Plates sliding past each other send shock waves through the crust that we call earthquakes

3. Volcanoes
Volcano-lava and rocks that pile up at cracks in the crust

4. Volcanoes Form at the edges of tectonic plates
The ring of fire is a line of volcanoes around the Pacific tectonic plate
Most of the volcanoes in the world are here

5. How do scientists measure Earthquakes?
seismograph

6. Seismograph
Measures the strength of the energy waves sent out by the earthquake
Tells us how powerful and how far away earthquakes are

7. Lava lamp experiment Oil, water, Alka seltzer, graduated cylinder
Pour the water in, then the oil
Drop Alka seltzer, enjoy the show!

8. Works cited
Science studies weekly