本期主题:自然现象、灾害

Across

5. vent in Earth’s crust from which steam and molten rock are expelled

7. large mass of snow, ice and mud moving rapidly down mountain

8. mass of rock and earth moving rapidly down slope

Down

1. overflow of body of water onto normally dry land; inundation

2. severe snowstorm with large accumulations of snow

3. volcanic or tectonic crustal movement of Earth resulting in trembling, shaking and fracturing

4. violent whirlwind, advancing over land with funnel-shaped cloud

6. total or partial obscuring of one celestial body by another

1. flood

2. blizzard

3. earthquake

4. tornado

5. volcano

6. eclipse

7. avalanche

8. landslide