Why people specialize and trade, and how coins replaced barter
Grade 6 Social Studies Worksheet - Challenge Me

Circle the best answer.
Metal is measured to a set purity and stamped, in Kira's first chain. Which two effects follow?
- Metal is guaranteed trustworthy, and sales speed up
- Traders grow more doubtful of the metal, and sales slow down
- Traders stop weighing, and the stamp is erased
- The metal turns to gold, and prices fall
City-states adopt coins, in Luz's third chain. Which two coin pictures follow?
Cause and effect chain "Coins spread to Greek cities": [1] the idea of coins catches on quickly in western Asia Minor; [2] Greek city-states such as Aegina and Athens adopt coins; [3] Aegina picks a turtle for its coins; [4] Athens picks Athena and an owl, and puts the first three letters of its name on its coins. Arrows: 1 → 2, 2 → 3, 2 → 4. Note: a city's picture on its coins told traders who stood behind them. Cause and effect chain "Coins spread to Greek cities": [1] the idea of coins catches on quickly in western Asia Minor; [2] Greek city-states such as Aegina and Athens adopt coins; [3] Aegina picks a turtle for its coins; [4] Athens picks Athena and an owl, and puts the first three letters of its name on its coins. Arrows: 1 → 2, 2 → 3, 2 → 4. Note: a city's picture on its coins told traders who stood behind them. Coins spread to Greek cities [1] the idea of coins catches on quickly in western Asia Minor [2] Greek city-states such as Aegina and Athens adopt coins [3] Aegina picks a turtle for its coins [4] Athens picks Athena and an owl, and puts the first three letters of its name on its coins Note: a city's picture on its coins told traders who stood behind them. - A lion and a bull for both cities, taken from Sardis
- A turtle for both cities
- A turtle for Aegina; Athena and an owl for Athens
- An owl for Aegina; a turtle for Athens
Which box in Milo's first chain has two arrows going out?
Cause and effect chain "Why a stamp helps": [1] traders weigh lumps of metal and wonder whether they were cheated; [2] metal is measured to a set purity and stamped with an official mark; [3] for the first time, a piece of metal is guaranteed trustworthy; [4] sales speed up. Arrows: 1 → 2, 2 → 3, 2 → 4. Note: the first coins were made of electrum, a mix of gold and silver, in what is now western Turkey, around 600 BCE. Sources place them between the 7th and 6th century BCE. Cause and effect chain "Why a stamp helps": [1] traders weigh lumps of metal and wonder whether they were cheated; [2] metal is measured to a set purity and stamped with an official mark; [3] for the first time, a piece of metal is guaranteed trustworthy; [4] sales speed up. Arrows: 1 → 2, 2 → 3, 2 → 4. Note: the first coins were made of electrum, a mix of gold and silver, in what is now western Turkey, around 600 BCE. Sources place them between the 7th and 6th century BCE. Why a stamp helps [1] traders weigh lumps of metal and wonder whether they were cheated [2] metal is measured to a set purity and stamped with an official mark [3] for the first time, a piece of metal is guaranteed trustworthy [4] sales speed up Note: the first coins were made of electrum, a mix of gold and silver, in what is now western Turkey, around 600 BCE. Sources place them between the 7th and 6th century BCE. - Traders weigh lumps of metal and wonder about cheating
- Sales speed up
- Metal is measured to a set purity and stamped
- A piece of metal is guaranteed trustworthy
Which sentence about the refinery and the first coins is careful, Pia asks?
Cause and effect chain "Sardis and its gold": [1] Sardis, the Lydian capital, stands beside a river with golden sands; [2] the Lydians gain wealth based on gold; [3] their wealth helps the kingdom grow. Arrows: 1 → 2, 2 → 3. Note: near the Pactolus Stream, outside the city walls of Sardis, a gold refinery separated electrum into pure gold and pure silver in the first half of the 6th century BCE, in the age of King Croesus, at the very time the earliest gold and silver coins were being struck. A gold coin showing a lion and a bull, found at Sardis, dates to about 560 to 546 BCE. Cause and effect chain "Sardis and its gold": [1] Sardis, the Lydian capital, stands beside a river with golden sands; [2] the Lydians gain wealth based on gold; [3] their wealth helps the kingdom grow. Arrows: 1 → 2, 2 → 3. Note: near the Pactolus Stream, outside the city walls of Sardis, a gold refinery separated electrum into pure gold and pure silver in the first half of the 6th century BCE, in the age of King Croesus, at the very time the earliest gold and silver coins were being struck. A gold coin showing a lion and a bull, found at Sardis, dates to about 560 to 546 BCE. Sardis and its gold [1] Sardis, the Lydian capital, stands beside a river with golden sands [2] the Lydians gain wealth based on gold [3] their wealth helps the kingdom grow Note: near the Pactolus Stream, outside the city walls of Sardis, a gold refinery separated electrum into pure gold and pure silver in the first half of the 6th century BCE, in the age of King Croesus, at the very time the earliest gold and silver coins were being struck. A gold coin showing a lion and a bull, found at Sardis, dates to about 560 to 546 BCE. - The refinery was built after coins had stopped
- The refinery worked in the same years as the first coins
- The sources show the refinery caused coinage
- The refinery made the first coins by itself, with nothing else needed
Which sentence about the pictures on coins is careful, Ren asks?
Cause and effect chain "Coins spread to Greek cities": [1] the idea of coins catches on quickly in western Asia Minor; [2] Greek city-states such as Aegina and Athens adopt coins; [3] Aegina picks a turtle for its coins; [4] Athens picks Athena and an owl, and puts the first three letters of its name on its coins. Arrows: 1 → 2, 2 → 3, 2 → 4. Note: a city's picture on its coins told traders who stood behind them. Cause and effect chain "Coins spread to Greek cities": [1] the idea of coins catches on quickly in western Asia Minor; [2] Greek city-states such as Aegina and Athens adopt coins; [3] Aegina picks a turtle for its coins; [4] Athens picks Athena and an owl, and puts the first three letters of its name on its coins. Arrows: 1 → 2, 2 → 3, 2 → 4. Note: a city's picture on its coins told traders who stood behind them. Coins spread to Greek cities [1] the idea of coins catches on quickly in western Asia Minor [2] Greek city-states such as Aegina and Athens adopt coins [3] Aegina picks a turtle for its coins [4] Athens picks Athena and an owl, and puts the first three letters of its name on its coins Note: a city's picture on its coins told traders who stood behind them. - A city's picture told traders who stood behind its coins
- A coin's picture shows exactly how much gold it holds inside
- Traders could not read coin pictures
- Coin pictures were chosen at random
By Tala's chain and note, how many years does the lion-and-bull coin's date range span?
Cause and effect chain "Sardis and its gold": [1] Sardis, the Lydian capital, stands beside a river with golden sands; [2] the Lydians gain wealth based on gold; [3] their wealth helps the kingdom grow. Arrows: 1 → 2, 2 → 3. Note: near the Pactolus Stream, outside the city walls of Sardis, a gold refinery separated electrum into pure gold and pure silver in the first half of the 6th century BCE, in the age of King Croesus, at the very time the earliest gold and silver coins were being struck. A gold coin showing a lion and a bull, found at Sardis, dates to about 560 to 546 BCE. Cause and effect chain "Sardis and its gold": [1] Sardis, the Lydian capital, stands beside a river with golden sands; [2] the Lydians gain wealth based on gold; [3] their wealth helps the kingdom grow. Arrows: 1 → 2, 2 → 3. Note: near the Pactolus Stream, outside the city walls of Sardis, a gold refinery separated electrum into pure gold and pure silver in the first half of the 6th century BCE, in the age of King Croesus, at the very time the earliest gold and silver coins were being struck. A gold coin showing a lion and a bull, found at Sardis, dates to about 560 to 546 BCE. Sardis and its gold [1] Sardis, the Lydian capital, stands beside a river with golden sands [2] the Lydians gain wealth based on gold [3] their wealth helps the kingdom grow Note: near the Pactolus Stream, outside the city walls of Sardis, a gold refinery separated electrum into pure gold and pure silver in the first half of the 6th century BCE, in the age of King Croesus, at the very time the earliest gold and silver coins were being struck. A gold coin showing a lion and a bull, found at Sardis, dates to about 560 to 546 BCE. - 26 years
- 14 years
- 114 years
- 1,106 years
Cause and effect chain "Why a stamp helps": [1] traders weigh lumps of metal and wonder whether they were cheated; [2] metal is measured to a set purity and stamped with an official mark; [3] for the first time, a piece of metal is guaranteed trustworthy; [4] sales speed up. Arrows: 1 → 2, 2 → 3, 2 → 4. Note: the first coins were made of electrum, a mix of gold and silver, in what is now western Turkey, around 600 BCE. Sources place them between the 7th and 6th century BCE. Cause and effect chain "Why a stamp helps": [1] traders weigh lumps of metal and wonder whether they were cheated; [2] metal is measured to a set purity and stamped with an official mark; [3] for the first time, a piece of metal is guaranteed trustworthy; [4] sales speed up. Arrows: 1 → 2, 2 → 3, 2 → 4. Note: the first coins were made of electrum, a mix of gold and silver, in what is now western Turkey, around 600 BCE. Sources place them between the 7th and 6th century BCE. Why a stamp helps [1] traders weigh lumps of metal and wonder whether they were cheated [2] metal is measured to a set purity and stamped with an official mark [3] for the first time, a piece of metal is guaranteed trustworthy [4] sales speed up Note: the first coins were made of electrum, a mix of gold and silver, in what is now western Turkey, around 600 BCE. Sources place them between the 7th and 6th century BCE. By Ari's chain and note, which centuries do the sources give for the first coins?
- The 7th and 6th centuries BCE
- The 2nd and 1st centuries BCE
- The 7th and 6th centuries CE
- The 6th and 5th centuries BCE
Bo's note says, "The first coins were made in Athens." Which fix is right?
Use the picture in question 7.
- Change "Athens" to "western Turkey"
- Change "first" to "last"
- Change "coins" to "baskets"
- Leave it: Athens made the first coins
Esme's note says, "The refinery made electrum from pure gold." Which fix is right?
Cause and effect chain "Sardis and its gold": [1] Sardis, the Lydian capital, stands beside a river with golden sands; [2] the Lydians gain wealth based on gold; [3] their wealth helps the kingdom grow. Arrows: 1 → 2, 2 → 3. Note: near the Pactolus Stream, outside the city walls of Sardis, a gold refinery separated electrum into pure gold and pure silver in the first half of the 6th century BCE, in the age of King Croesus, at the very time the earliest gold and silver coins were being struck. A gold coin showing a lion and a bull, found at Sardis, dates to about 560 to 546 BCE. Cause and effect chain "Sardis and its gold": [1] Sardis, the Lydian capital, stands beside a river with golden sands; [2] the Lydians gain wealth based on gold; [3] their wealth helps the kingdom grow. Arrows: 1 → 2, 2 → 3. Note: near the Pactolus Stream, outside the city walls of Sardis, a gold refinery separated electrum into pure gold and pure silver in the first half of the 6th century BCE, in the age of King Croesus, at the very time the earliest gold and silver coins were being struck. A gold coin showing a lion and a bull, found at Sardis, dates to about 560 to 546 BCE. Sardis and its gold [1] Sardis, the Lydian capital, stands beside a river with golden sands [2] the Lydians gain wealth based on gold [3] their wealth helps the kingdom grow Note: near the Pactolus Stream, outside the city walls of Sardis, a gold refinery separated electrum into pure gold and pure silver in the first half of the 6th century BCE, in the age of King Croesus, at the very time the earliest gold and silver coins were being struck. A gold coin showing a lion and a bull, found at Sardis, dates to about 560 to 546 BCE. - Leave it: the refinery mixed pure gold into new electrum
- Change it: it separated electrum into gold and silver
- Change "refinery" to "river"
- Change "gold" to "coins"
Jun's note says, "Aegina put an owl on its coins." Which fix is right?
Cause and effect chain "Coins spread to Greek cities": [1] the idea of coins catches on quickly in western Asia Minor; [2] Greek city-states such as Aegina and Athens adopt coins; [3] Aegina picks a turtle for its coins; [4] Athens picks Athena and an owl, and puts the first three letters of its name on its coins. Arrows: 1 → 2, 2 → 3, 2 → 4. Note: a city's picture on its coins told traders who stood behind them. Cause and effect chain "Coins spread to Greek cities": [1] the idea of coins catches on quickly in western Asia Minor; [2] Greek city-states such as Aegina and Athens adopt coins; [3] Aegina picks a turtle for its coins; [4] Athens picks Athena and an owl, and puts the first three letters of its name on its coins. Arrows: 1 → 2, 2 → 3, 2 → 4. Note: a city's picture on its coins told traders who stood behind them. Coins spread to Greek cities [1] the idea of coins catches on quickly in western Asia Minor [2] Greek city-states such as Aegina and Athens adopt coins [3] Aegina picks a turtle for its coins [4] Athens picks Athena and an owl, and puts the first three letters of its name on its coins Note: a city's picture on its coins told traders who stood behind them. - Change "owl" to "turtle"
- Change "Aegina" to "Sardis"
- Change "coins" to "baskets"
- Leave it: the owl was Aegina's picture