1. Photogrammetry is the science of making __________________ from photographs.

2. Remote sensing is based on the collection of __________________________.

3. Electromagnetic energy striking an object is __________________, _________________, or _______________.

4. Always keep in mind ______________, _____________, and _________________ when planning a job.

5. Active systems _________________ and ________________ emissions.

6. ___________________ only collect emissions.

7. Photos taken on or near the ground are ___________________.

8. Aerial photographs are _____________________.

Answer Key:

1. measurements

2. reflected electromagnetic energy

3. reflected; absorbed; transmitted

4. size; complexity; time requirements

5. emit; collect

6. Passive systems

7. terrestrial

8. air-borne

FS: Remote SensingIntroduction to Remote Sensing