Different wavelengths from the electromagnetic spectrum tell astronomers different kinds of information. 1. Watch the video: The Electromagnetic Spectrum https://www.youtube.com/watch?v=cfXzwh3KadE 2. Listen to the background information provided. Based on the background information reading, answer the questions that follow using the . 3. Read the descriptions of the different types of waves found in the electromagnetic spectrum. Match them to the correct type of wave in the table by dragging your response in the correct column. 4. Answer the closing question using the 5. When you have completed the activity, click to submit for teacher review.