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Seventh Grade Science Name : __________________________________________

Waves Unit Chapter 14
Mark Sailer
Science Teacher
Pioneer Jr-Sr High

                                                      Period: ____________

Unit Study Guidelines

1.  Explain how waves transport energy.

2.  Distinguish among transverse, compressional, and electromagnetic waves.

3.  Describe the properties of waves.

4.  Describe reflection, refraction, and diffraction of waves.

5.  Describe how sound waves are produced.

6.  Explain how sound waves travel through matter.

7.  Describe the relationship between loudness and sound intensity.

8.  Explain how humans hear sound.

9.  Identify the properties of light waves.

10.  Describe the electromagnetic spectrum.

11.  Describe the types of electromagnetic waves that travel from the Sun to Earth.

12.  Explain human vision and color perception.

      State standards and benchmarks addressed by this unit:

      7.2.6 Read analog and digital meters on instruments used to make direct measurements of length, volume, weight, elapsed time, rates, or temperatures, and choose appropriate units.
      7.2.7 Incorporate circle charts, bar and line graphs, diagrams, scatter plots*, and symbols into writing, such as lab or research reports, to serve as evidence for claims and/or conclusions.
      7.3.18 Describe that light waves, sound waves, and other waves move at different speeds in different materials.
      7.3.19 Explain that human eyes respond to a narrow range of wavelengths of the electromagnetic spectrum.
      7.3.20 Describe that something can be "seen" when light waves emitted or reflected by it enter the eye just as something can be "heard" when sound waves from it enter the ear.
      7.5.1 Demonstrate how a number line can be extended on the other side of zero to represent negative numbers and give examples of instances where this is useful.
      7.5.3 Demonstrate how the scale chosen for a graph or drawing determines its interpretation.
      7.7.4 Use symbolic equations to show how the quantity of something changes over time or in response to changes in other quantities.

Unit Plan These Dates May Change as needed. 

    Jan 17 Pre Reading

    Jan 18 WOW Waves Stations and Review

    Jan 19-20 Waves Study Guide

    Jan 23 Waves Study Guide Due Review

    Jan 24 Waves Quiz

    Jan 26 Sound Study Guide Due Review

    Jan 27 Sound Quiz

    Jan 31 Light Study Guide Due Review

    Feb 1 Light Quiz Post Reading

    Feb 3 Wavelength and Color Lab Due

    Feb 8 Absorption and Transmission Lab Due

    Portfolio Due Feb 10 

Keep Track of your work by circling activities you have completed and then recording the points of the activity when the activity is returned. 

Activities (Maximum of 65 Points) 

1.  Pre Reading/Post Reading Worksheet (3+5 points)  _____ _____ 1.  _____

2.  WOW Waves Stations (7 Points)       2.  _____

3.  Study Guide Section 1 Waves (10 points)     3.  _____

4.  Study Guide Section 2 Sound (and Hearing) (10 points)   4.  _____

5.  Study Guide Section 3 Light (and Eyes) (10 Points)    5.  _____

6.  Using a Spectrophotometer Lab Wavelength and Color (5 points)  6.  _____

7.  Using a Spectrophotometer Lab Absorption and Transmission (15 points) 7.  _____ 

    Additional Activities to earn additional points

    8.  Section 1 Reinforcement Worksheet (5 points)    8.  _____

    9.  Section 2 Reinforcement Worksheet (5 points)    9.  _____

    10.  Section 3 Reinforcement Worksheet (5 points)    10.  _____

    Other Activities available as needed. 

B Layer (Choose One - 15 Points) Conduct an Investigation.  Use an Experiment Recording Chart to record your lab report.

    1.  How does the movement of sound waves through different materials affect the sounds we   hear?

    2.  How does the size of an object affect the sound the object makes?

    3.  Does the type of material affect the refraction of light?

    4.  Create your own question.  Get approval for your question before conducting your investigation. 

A Layer  (Choose One 20 Points) Use an A Layer Research form to record your research.

    1.  Research Sonic Booms and create a poster or display describing them.  Follow Scoring Guide.

    2.  Research seismic waves and prepare a report (oral or written), poster or display.  Follow Scoring Guide.

    3.  Research color Blindness and prepare a report (oral or written), poster or display.  Follow Scoring Guide.

    4.  Read p. 434.  Research how astronomers convert the radio waves received by radio telescopes into images of galaxies and stars.  Prepare a report, poster or display.  Follow Scoring Guide.

    5.  Choose another question.  Get approval before starting your research. 

Activity Points Earned _________B Layer Points Earned __________ A Layer Points Earned __________ 

Grades  40-55 D  56-70 C  71-85 B          86+ A  TOTAL ___________ 

Parent Signature: (5 points to C Layer) _____________________________________________________ 







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