How foods, languages and inventions spread from place to place
Grade 7 Social Studies Worksheet - Building Confidence

Circle the best answer.
Tala's chain has a blank: where were potatoes first grown?
- The Andes of South America
- Ireland, in northern Europe
- The plains of North America
- China, in eastern Asia
Zee's chain has a blank: who brought potatoes to Europe?
Cause and effect chain "How the potato spread": [1] potatoes are first grown in the Andes, in today's southern Peru and northwestern Bolivia, about 7,000 to 10,000 years ago; [2] ?; [3] the potato becomes an essential crop in Europe, especially the north and east; [4] in the 2000s, potato growing expands fastest in southern and eastern Asia. Arrows: 1 → 2, 2 → 3, 2 → 4. The box marked ? is blank. Below the chain: tomatoes, first from the Americas, also reached Europe with the Spanish in the 1500s; at first many Europeans grew them for show, thinking them poisonous. Chili peppers likely reached Africa and Asia with Portuguese and Spanish traders in the 1500s. Cause and effect chain "How the potato spread": [1] potatoes are first grown in the Andes, in today's southern Peru and northwestern Bolivia, about 7,000 to 10,000 years ago; [2] ?; [3] the potato becomes an essential crop in Europe, especially the north and east; [4] in the 2000s, potato growing expands fastest in southern and eastern Asia. Arrows: 1 → 2, 2 → 3, 2 → 4. The box marked ? is blank. Below the chain: tomatoes, first from the Americas, also reached Europe with the Spanish in the 1500s; at first many Europeans grew them for show, thinking them poisonous. Chili peppers likely reached Africa and Asia with Portuguese and Spanish traders in the 1500s. How the potato spread [1] potatoes are first grown in the Andes, in today's southern Peru and northwestern Bolivia, about 7,000 to 10,000 years ago [2] ? [3] the potato becomes an essential crop in Europe, especially the north and east [4] in the 2000s, potato growing expands fastest in southern and eastern Asia Below the chain: tomatoes, first from the Americas, also reached Europe with the Spanish in the 1500s; at first many Europeans grew them for show, thinking them poisonous. Chili peppers likely reached Africa and Asia with Portuguese and Spanish traders in the 1500s. - The Spanish
- No one: potatoes first grew there
- Chinese traders on the Silk Roads
- Farmers from Ireland
Cause and effect chain "How the potato spread": [1] potatoes are first grown in the Andes, in today's southern Peru and northwestern Bolivia, about 7,000 to 10,000 years ago; [2] the Spanish bring potatoes to Europe in the second half of the 1500s; [3] the potato becomes an essential crop in Europe, especially the north and east; [4] in the 2000s, potato growing expands fastest in southern and eastern Asia. Arrows: 1 → 2, 2 → 3, 2 → 4. Below the chain: tomatoes, first from the Americas, also reached Europe with the Spanish in the 1500s; at first many Europeans grew them for show, thinking them poisonous. Chili peppers likely reached Africa and Asia with Portuguese and Spanish traders in the 1500s. Cause and effect chain "How the potato spread": [1] potatoes are first grown in the Andes, in today's southern Peru and northwestern Bolivia, about 7,000 to 10,000 years ago; [2] the Spanish bring potatoes to Europe in the second half of the 1500s; [3] the potato becomes an essential crop in Europe, especially the north and east; [4] in the 2000s, potato growing expands fastest in southern and eastern Asia. Arrows: 1 → 2, 2 → 3, 2 → 4. Below the chain: tomatoes, first from the Americas, also reached Europe with the Spanish in the 1500s; at first many Europeans grew them for show, thinking them poisonous. Chili peppers likely reached Africa and Asia with Portuguese and Spanish traders in the 1500s. How the potato spread [1] potatoes are first grown in the Andes, in today's southern Peru and northwestern Bolivia, about 7,000 to 10,000 years ago [2] the Spanish bring potatoes to Europe in the second half of the 1500s [3] the potato becomes an essential crop in Europe, especially the north and east [4] in the 2000s, potato growing expands fastest in southern and eastern Asia Below the chain: tomatoes, first from the Americas, also reached Europe with the Spanish in the 1500s; at first many Europeans grew them for show, thinking them poisonous. Chili peppers likely reached Africa and Asia with Portuguese and Spanish traders in the 1500s. Bo reads the words cultural diffusion. What do they mean?
- A map of mountains
- Culture spreading from place to place
- A kind of potato
- A culture staying in one place for good
Esme reads that the potato is an essential crop in Europe. What does essential mean?
Use the picture in question 3.
- Very important
- Rare and hard to find in shops
- Grown just for show
- Poisonous to eat
Jun reads that early Europeans grew tomatoes for show. What does that mean?
Use the picture in question 3.
- Grown on ships
- Grown in the Andes
- Grown for looks, not food
- Grown to sell in markets for food
Which box is the first cause in Kira's chain?
Use the picture in question 3.
- The potato as a crop in Europe
- The Spanish arriving in Europe
- Potato growing in Asia in the 2000s
- Potatoes first grown in the Andes
The Spanish box leads to two effects. What are they, Luz asks?
Use the picture in question 3.
- Tomatoes become poisonous
- Potatoes vanish from the Andes
- One effect: potatoes stay in Spain
- A crop in Europe, then fast growth in Asia
Who likely carried chili peppers to Africa and Asia, Milo asks?
Use the picture in question 3.
- Chinese traders in the 1900s
- Portuguese and Spanish traders
- No one: chilies began in Asia
- Farmers from the Andes walking to Asia
Why might Europeans at first grow tomatoes but not eat them, Pia asks?
Use the picture in question 3.
- They thought it was poisonous
- The Spanish banned eating them
- Tomatoes would not grow in Europe
- Tomatoes cost too much to buy
Ren's friend says the potato began in Ireland. Which reply fits the chain?
Use the picture in question 3.
- Agree: the Spanish found it in Ireland
- Agree: Ireland is where it is grown most today
- Disagree: it began in the Andes
- Disagree: it began in China

