Small Group 5/5

Small Group 5/5

Mrs. Ricks

Today's Goals

• Review Unit 4 for Extra Credit

• Go over major assessments (alternative portfolios & tests)

• Answer any questions you may have

Unit 4 - Waves & Electromagnetic Radiation

• Investigate and interpret the relationship between properties of waves and various wave behaviors and characteristics

• Summarize various ways modern technology uses waves to enhance communication

Properties of Waves

• A wave is a disturbance that transfers energy from one location to another

• Some waves require a medium to travel through (mechanical waves)

• Other waves do not require a medium to travel through (electromagnetic waves)

Multiple Choice

What do waves carry from place to place?

• Energy, but not matter or particles
• Energy and matter or particles
• Matter or particles but not energy
• Neither energy nor matter or particles

Multiple Choice

The type of waves that require medium to pass:

• Mechanical Waves
• Electromagnetic Waves

Categories of Waves

Multiple Choice

You can't hear sounds in outer space because there is no

• medium

• light

• energy

• heat

Multiple Choice

What kind of wave is pictured below?

• compressional wave
• transverse wave
• sound wave
• mechanical wave

Properties of Transverse Waves

Longitudinal Waves

Multiple Choice

How would you describe the movement of a transverse wave?

• Up and down
• Back and forth
• In zigzags
• Linear

Multiple Choice

What are the parts of a longitudinal wave?

• Compressions and rarefactions
• Crests and troughs
• Compressions and crests
• Rarefactions and troughs

Multiple Choice

The most dense part of a longitudinal wave.

• Density
• Compression
• Rarefaction
• Amplitude

Multiple Choice

What property of the wave is represented by the letter "B"?

• amplitude
• crest
• trough
• wavelength

Multiple Choice

What property of this wave is represented by the letter "A"

• amplitude
• crest
• trough
• wavelength

We will continue reviewing Unit 4 next Wednesday.

Alternative Portfolios

• Have been webmailed

• Are on the message boards

• Could dramatically increase your science average

• Let's find them together...

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Extra Credit CBAs

• Take any missing CBA for a 5pt quiz grade

• All links are on the message boards

• Please webmail me if you take one so I know to grade it

• 
  

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Any questions???