Topic 3 Lesson 4

1. These signals send information in a continuous stream.

• Digital
• Receiver
• Analog
• Range

2. A message with information.

• Antenna
• Signal
• Analog
• Range

3. These signals use clear cut values such as numbers, which are sometimes called digits.

• Receiver
• Transmitter
• Analog
• Digital

4. Includes all the possibilities between two end points.

• Signal
• Range
• Analog
• Digital

5. This part converts the radio waves into a usable message.

• Transmitter
• Antenna
• Signal
• Receiver

6. Is the part of a device that sends out radio signals.

• Transmitter
• Antenna
• Signal
• Receiver

7. Is the part of a device that takes in the radio waves.

• Transmitter
• Receiver
• Signal
• Antenna

8. The part of the eye that connects the eye to the brain.

• Retina
• Optic nerve
• Signal
• Lens

9. To bounce off of a surface and move in a different direction.

• Absorb
• Refract
• Signal
• Reflect

10. A group of parts that work together as a whole group.

• Ray
• System
• Signal
• Reflect