Remote control

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/remote-control

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the pioneering wireless demonstration?Nikola Tesla demonstrated a radio-controlled boat in 1898
2. What is the first commercial TV remote?Zenith's 'Lazy Bones' (1950), which was wired
3. How does a remote control work?Most remotes use infrared light or radio waves. When you press a button, the remote sends a special pattern of light or radio pulses that the device’s sensor decodes into a command.
4. Why do some remotes need a line of sight?Infrared remotes send light that can’t go through walls or objects. If something blocks the beam, the device won’t hear the command.

Electromagnetic Spectrum: The range of all types of electromagnetic radiation, including visible light and radio waves.
Binary Code: A system of representing information using only two states, typically 0s and 1s, used in digital electronics.
Internet of Things (IoT): A network of physical devices embedded with sensors, software, and connectivity to exchange data.