Topic 3 Science Vocabulary

Front

What does it mean to absorb in a scientific context?

Back

To take in something steadily, such as light, heat, or sound.

Front

What is the function of a receiver in a communication device?

Back

The part of a device that changes radio waves into a usable message.

Front

Define a ray in terms of energy.

Back

A line of energy that moves in one direction until it hits an object.

Front

What is the role of a transmitter in a communication system?

Back

The part of the device that sends radio signals.

Front

What is an antenna used for?

Back

The part of a device that receives radio-wave signals.

Front

Explain the concept of energy transfer in physics.

Back

Energy transfer refers to the movement of energy from one location to another, often through waves or particles.

Front

What is the difference between a transmitter and a receiver?

Back

A transmitter sends out signals, while a receiver takes in signals and converts them into usable information.

Front

What is the significance of radio waves in communication?

Back

Radio waves are a type of electromagnetic radiation used to transmit information over distances.

Front

How does an antenna function in receiving signals?

Back

An antenna captures radio waves and converts them into electrical signals for processing.

Front

What is the principle of wave propagation?

Back

Wave propagation is the way in which waves travel through a medium or space, carrying energy from one point to another.