Testing Communication Devices Practice Test

Read Carlos’s whistle tests: Plan—hear whistle and know message. Test 1: 10 feet—SUCCESS. Test 2: 30 feet—SUCCESS. Test 3: 50 feet, wind away—FAILED. Test 4: 50 feet, no wind—SUCCESS. What did Carlos learn from testing?​

Look at Sofia’s flag signal tests: Plan—can friend see signals at different times and distances? Test 1: 20 feet sunny—SUCCESS. Test 2: 50 feet sunny—SUCCESS. Test 3: 20 feet cloudy—PARTIALLY WORKED (almost missed). Test 4: night—FAILED (too dark). What problem did the tests show?​