How people changed the land and adapted to it
Grade 7 Social Studies Worksheet
NameDate
Circle the best answer.
In the Dutch chain, which box leads to two effects, Pia asks?
- The Zuiderzee floods the land around it
- The dam closes the Zuiderzee
- No box in this chain leads to two effects
- More land for farming in the polders
What effects come from Lake Mead, Ren asks?
- A new sea, and nothing else
- Polders of new land for farming
- Flood control, irrigation water and power
- More floods each spring, and less water for farms
How many effects come from the Lake Mead box, Tala asks?
Use the picture in question 2.
- Three
- Two
- Five
- One
When was the Zuiderzee closed, Zee asks?
- 1960
- The early 2000s
- 1931–1936
- 28 May 1932
About how much new land did the Dutch works make, Ari asks?
Use the picture in question 4.
- About 1,650 km²
- About 32 km²
- About 16.5 km², the size of a small town
- About 68,000 km²
What is a polder, Esme asks?
Use the picture in question 4.
- A desert where a lake was
- Low land drained from the water
- A tall step cut into a mountain for rice
- A dam across a river
Why would people build a dam that controls floods, Jun asks?
- To make the river flood more often each year
- To dry up the river for good
- To drain a sea into new polders
- To protect towns and farms from floods
Luz's note says, "The Afsluitdijk let the sea flood more land." Which fix is right?
- Change "sea" to "desert"
- Change it: it improved flood protection
- Leave it: the dam opened the way for the sea
- Change "Afsluitdijk" to "Hoover Dam"
Milo's note says, "Hoover Dam had one use: making power." Which fix is right?
- Change it: it also controls floods and stores water
- Change "Hoover" to "Banaue"
- Change "power" to "polders"
- Leave it: one cause, one effect
Noah's note says, "The Dutch works made new land for cities only." Which fix is right?
- Change "land" to "lakes"
- Leave it: the land was for cities
- Change "Dutch" to "Spanish"
- Change it: more land for farming, and flood protection