Edward Victor Appleton

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/edward-victor-appleton

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. When was Edward Victor Appleton born?June 6, 1892
2. Where was Edward Victor Appleton born?Bradford, England
3. What is the key experiment?Transatlantic radio wave reflection experiment, 1924
4. What is the nobel prize awarded?1947, in Physics
5. What did Edward Victor Appleton discover about the sky?He found a hidden layer in the upper atmosphere that reflects radio waves, called the ionosphere.
6. How did Appleton prove that radio waves could travel far across oceans?He set up a radio transmitter in Scotland and a receiver in Norway, comparing direct and indirect signals to show waves bounced off the ionosphere.

Ionization: The process of an atom or molecule losing or gaining electrons, becoming electrically charged.
Radio Wave Propagation: The study of how radio waves travel through different mediums, including the atmosphere.
Skywave Propagation: The reflection of radio waves off the ionosphere, allowing for long-distance communication.
Electromagnetic Spectrum: The range of all types of electromagnetic radiation, including radio waves, visible light, and X-rays.