Predicting and Monitoring Volcanoes

__________ are used to measure the temperature of of a volcano

• Seismometers

• Tiltmeters

• Thermometers

___________ are used to measure the ground shaking or earthquakes that happen before or during an eruption

• Seismometer

• Tiltmeters

• Thermometer

___________ are used to measure changes in the shape of the volcano

• Seismometer

• Tiltmeters

• Thermometer

If the ground starts shaking lots, this could signal that...

• A volcanic eruption is likely to happen

• A volcanic eruption is NOT likely to happen

If the land starts to swell or bulge, this could signal that...

• A volcanic eruption is likely to happen

• A volcanic eruption is NOT likely to happen

If the release of volcanic gases decreases, this could signal that...

• A volcanic eruption is likely to happen

• A volcanic eruption is NOT likely to happen

The release of which gas increases when a volcanic eruption is likely?

• Sulphur monoxide

• Sulphur dioxide

• Sulphuric acid

Digital photographs are a way of monitoring volcanoes

• True

• False

'Scientists can look at the past history of eruptions to look for patterns of activity' is called...

• Spider robots

• Historical data analysis

• Tiltmeters

A volcano erupted in 1840, 1900 and 1960. Is it likely to erupt any time soon?

• Yes

• No