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Properties of Matter

Properties of Matter. Monday, September 30, 2014 Mrs. Hensley Sedgefield Middle School. DO NOW!. In your scientific journal, define the following: Wave Frequency Crest Trough Wavelength Amplitude Transverse Longitudinal Compression Rarefaction. Check your work!.

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Properties of Matter

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  1. Properties of Matter Monday, September 30, 2014 Mrs. Hensley Sedgefield Middle School

  2. DO NOW! In your scientific journal, define the following: Wave Frequency Crest Trough Wavelength Amplitude Transverse Longitudinal Compression Rarefaction

  3. Check your work! • Wave – a disturbance on the surface of a liquid body in the form or a moving ridge or swell. • Frequency – the rate at which a wave occurs

  4. Check your work! • Crest – the highest part of a wave • Trough – the lowest part of a wave

  5. Check your work! • Wavelength – the distance between two equal points of a wave, either the crests or the troughs. • Amplitude – is the measurement of the top or bottom half of a wave.

  6. Check your work! • Transverse – the motion is at right angles to the direction of the wave. • Longitudinal – the motion is parallel to the direction of the wave.

  7. Check your work! • Compression –the part of the wave where the movement is closest together. • Rarefaction – the part of the wave where the movement is furthest apart.

  8. Compression and Rarefaction

  9. Transverse and Longitudinal • http://www.edinformatics.com/math_science/transverse_longitudinal_waves.htm

  10. Amplitude – it is 1, in this example.

  11. What is a Variable? A variable is a word for a quantity of condition that can change.

  12. Independent Variable • Is a variable that can be controlled. • For example, in an experiment in growing a plant. You can control how much light the plant will get.

  13. Dependent Variable • You have no control over this variable. You want to observe what happens when you change the independent variable.

  14. Dependent and Independent • http://www.youtube.com/watch?v=x2606GQmDqY

  15. Exit Ticket In your scientific journal, draw a longitudinal wave with a compressions and rarefactions.

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