Grade 5: Natural Disasters

A ___ is a calamity caused by nature.

• natural disaster

• earthquake

• cyclone

• Richter scale

A ___ is a sudden tremor on the Earth's surface. it is caused by movements deep inside the Earth.

• Earthquake

• Flood

• Cyclone

• Tsunami

The study of earthquakes is called ___.

• Seismology

• Paleontology

• Quakeology

• Geography

Instruments called ___ record the shaking of the land to measure earthquakes.

• Seismographs

• Aftershocks

• EVMs

• Microscopes

The intensity of an earthquake is measured on the ___ scale.

• Richter

• Bristol

• Vector

• Quake

Smaller shocks called ___ shake the ground repeatedly even several days after an earthquake.

• Aftershocks

• Semishakes

• Post-quakes

• Aftershakes

Floods can lead to ____ conditions that lead to the outbreak of diseases, like cholera, diarrhoea, and malaria.

• Sanitary

• Unhygenic

• Arid

• Tidal

Floods have some advantages; flood water brings with it ____.

• New soil

• Diseases

• Timber

• Aftershocks

A ___ is a very strong wind accompanied by very heavy rain.

• Cyclone

• Tsunami

• Tidal Wave

• Drought

___ are small dams built across shallow rivers and streams. They allow water to seep into the ground to replenish groundwater.

• Check-dams

• Super-dams

• Flood-dams

• Aswan-dam