Task
Click on the links and answer the questions below. If the link does not work, copy and paste in the url tab
- You will need your book and pen to answer the questions
Basic Electromagnetic Wave Properties http://micro.magnet.fsu.edu/primer/java/wavebasics/index.html
1. What happens to the Energy and Wavelength when you increase Frequency?
2. What happens to the Energy and Wavelength when you decrease Frequency?
3. List 5 colors and their corresponding Frequency and Wavelength
4. What happens to the wave and color of the wave when you increase or decrease the amplitude?
Changing Sounds
http://www.bbc.co.uk/schools/ks2bitesize/science/physical_processes/cha…
Load Full Screen and work through the examples of playing sounds and sorting sounds
Tour of the Electromagnetic Spectrum http://www.pbs.org/wgbh/nova/gamma/spectrum.html
- Take the Self-Guided Tour and answer the following questions:
1. What are electromagnetic waves?
2. What is a photon?
3. Name one manufactured device or natural phenomenon that emits electromagnetic radiation in each of the following wavelengths: radio, microwave, infrared, visible light, ultraviolet, X-ray, and gamma ray.
4. Which type(s) of electromagnetic radiation do human bodies emit? Which type(s) can our senses detect? List three ways that electromagnetic radiation is used to improve our everyday lives
EXTRA RESEARCH QUESTIONS
1. Reasearch the value for the velocity of sound in air. What is it in liquids and solids?
2. List some examples of luminous and non-lumminous objects including plants and stars
3. Explain the impact on the density of particles and the speed of sound in solids in solids, liquids and gases