FOURTH GRADE A, SCIENCE, NOVEMBER 17TH

Read carefully the following statement. Then, select the best option.

šIt is a message with information.

• Transmitter

• Receiver

• Signal

Read carefully the following statement. Then, select the best option.

šIt is a part of a device that sends out radio signals.

• Signal

• Receiver

• Transmitter

Read carefully the following statement. Then, select the best option.

It is the part of a device that takes in the radio waves.

• Receiver

• Antenna

• Transmitter

Read carefully the following statement. Then, select the best option.

šIt converts the radio waves into a usable message.

• Receiver

• Transmitter

• Antenna

Read carefully the following statement. Then, select the best option.

šIt is a type of signal that use clear-cut values such as numbers, which are sometimes called digits.

• Analog

• Digital

• Transmitter

Read carefully the following statement. Then, select the best option.

šIt is a type of signal that send information in a continues stream.

• Signal

• Digital

• Analog

Read carefully the following statement. Then, select the best option.

šIt includes all the possibilities between two end points.

• Receiver

• Range

• Analog