WorksheetsTUGAS PJJ KELAS 8.D
Total questions: 10
Worksheet time: 20mins
What does Figure 1 represent?
Flood
Drought
Avalanche
fire
What is a flood?
caused by heavy rain overflowing a dam
caused by new snow piling up too quickly on a steep slope
caused by heat reducing moisture in the air
caused by heavy rain bombarding loose soil
Water can wash away sand. If the sand is protected in bags, the sand can provide a barrier against moving water. The sandbags placed in front of the house will most likely prevent____.
Avalanches
Flooding
Sunlight
Drought
Why should you avoid floodwater if at all possible?
It's usually filled with sewage and other unhealthy stuff.
It's subject to tidal forces, which can pull you under and drown you.
It's probably moving very quickly.
It's probably very cold.
What causes floods?
Flooding occurs in known floodplains when prolonged rainfall over several days, intense rainfall over a short period of time, or a debris jam causes a river or stream to overflow and flood the surrounding area.
Heavy Rain
All the above
Melting ice or snow
Pieces of ice that fall during thunderstorms
Whirling columns of clouds
None of the Above
When water overflows from oceans, lakes, rivers due to too much rain
Where is the safest place to be in the house when there is flooding?
In the basement
In the backyard
At the highest point in your house
at the beach
What to do after a flood occur? accept.
Swim and play around in the flood water
Stay out of any building if floodwaters remain around the building
Avoid downed power lines
Do not try to drive over a flooded road
Which of these is MOST likely to happen to a grassland ecosystem after a catastrophic flood?
Birds will compete for water.
Rodents like mice and rats will have to find new shelter
snakes will compete for space.
Flying insects will have to find new sources of food.
