6. How do metal detectors help soldiers? *
1 point
a. They warn soldiers when bullets are coming
b. They help soldiers find hidden bombs.
c. They find weaknesses in their armor.
d. They create a relaxing beeping noise.
7. Why do people bring metal detectors to the beach? *
1 point
a. Metal detectors help people keep the sand clean and safe.
b. Metal detectors look cool.
c. Metal detectors help people find valuable items.
d. Metal detectors help guards keep weapons away from the beach.
8. Which happens first? *
1 point
a. The metal detector beeps alarmingly.
b. The magnetic waves hit metal and change.
c. The magnetic waves go through the ground.
d. The metal detector creates magnetic waves.
9. How did metal detectors get better over time? *
1 point
a. They became cheaper.
b. They became lighter.
c. They began working better
d. All of these
10. Which title would best describe the purpose of this text? *
1 point
a. A Day at the Beach: Using Your Metal Detector to Find Things
b. Metal Detectors: a Complete the Story of Their Invention
c. Magnetism and More: How a Metal Detector Works
d. Metal Detectors: What They Do and How We Use Them