1. What is the primary purpose of growing a cash crop?
- A. To provide food for the farmer's family
- B. To be sold in a market for money
- C. To be used in religious ceremonies
- D. To improve the quality of the soil
2. After Europeans learned that plants like tobacco were valuable, what did they begin to do in the Americas?
- A. They stopped exploring and returned home
- B. They started large farms to grow these plants
- C. They only took seeds back to Europe to grow there
- D. They banned the use of such plants
3. Why was a plant like tobacco considered a 'cash crop'?
- A. It was used as a medicine by Native Americans.
- B. It was easy to transport back to Europe on ships.
- C. It was grown to be sold for a large amount of money, not just for food.
- D. It grew very quickly in the American climate.
4. How did the discovery of profitable crops like tobacco affect European settlement?
- A. It slowed settlement because farming was difficult.
- B. It encouraged more people to settle in the Americas to create farms.
- C. It had no effect on settlement.
- D. It caused settlers to focus only on finding gold.
5. The farming of cash crops in the Americas led to what new economic activity?
- A. The end of trade with Asia
- B. A new trade system across the Atlantic Ocean
- C. Trade only between European settlements
- D. The closing of European markets
6. How did an astrolabe help sailors navigate on the open sea?
- A. It pointed to the magnetic North Pole to show them their direction.
- B. It used sound waves to map the ocean floor for dangers.
- C. It was a type of map that showed them where safe ports were located.
- D. It measured the height of stars to find their north-south location.
7. If a ship was sailing through thick fog at night, which tool would be most helpful for keeping the ship pointed in the right direction?
- A. An astrolabe
- B. A compass
- C. A nautical chart
- D. The North Star
8. The magnetic needle was the most important part of a compass because it:
- A. was made of a very valuable metal.
- B. could be seen clearly in the dark.
- C. always pointed toward the north.
- D. helped measure the ship's latitude.
9. What was the biggest challenge for sailors crossing the open ocean that made tools like the compass and astrolabe necessary?
- A. The ocean had no landmarks to help them guide their ship.
- B. The ships were too small for long journeys.
- C. There were too many storms to sail safely.
- D. They did not have enough food and water for the crew.
10. An explorer on a ship in the middle of the Atlantic wanted to determine how far north or south they were from their home. Which tool would they use by observing the sky?
- A. A compass to find the northern direction
- B. A map to see a drawing of the ocean
- C. An astrolabe to measure the position of the stars
- D. A telescope to look for distant land