Reviewing Waves. Mechanical waves have to travel through. A fulcrum Empty space Water only A medium.
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Transcript of Reviewing Waves. Mechanical waves have to travel through. A fulcrum Empty space Water only A medium.
![Page 1: Reviewing Waves. Mechanical waves have to travel through. A fulcrum Empty space Water only A medium.](https://reader036.fdocuments.net/reader036/viewer/2022062601/5a4d1c017f8b9ab0599efd1d/html5/thumbnails/1.jpg)
Reviewing Waves
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Mechanical waves have to travel through….
•A fulcrum• Empty space•Water only•A medium
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Electromagnetic waves can travel through…
•Gases, solids and liquids only• Empty Space only•A vacuum only•A medium and a vacuum
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What is empty space?•Underneath you bed•Where there is no matter• Gases, solids and liquids• The air around you
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Of course at
this point you’d
be a vegetable
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An example of a mechanical wave is…
• Light waves• Sounds waves•Ultraviolet waves•X-rays
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An example of a electromagnetic wave is…
• Light waves• Sounds waves•Water waves• Seismic waves
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Another name for longitudinal waves is…
•Rarefaction waves• Sounds waves• Transverse waves•Compression waves
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Longitudinal waves need to vibrate matter in order to move
so all are examples of…• Electromagnetic •Mechanical waves• Transverse waves•Ocean waves
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Longitudinal waves move __________ the direction the
wave is moving.• Closer to • Away from • Perpendicular to• Parallel to
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The areas squeezed together in a longitudinal waves is called…
• Transverse• Rarefaction• Compression• Crest
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The area spread out in a longitudinal waves is called…
• Transverse• Rarefaction• Compression• Trough
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Find a compression. Find a rarefaction.
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Sound is an example of what kind of wave?
• Transverse• Longitudinal•Ocean• X-ray
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Transverse waves move ______ the direction the wave travels.
• Closer to • Away from • Perpendicular to• Parallel to
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The highest point of a transverse wave is called…
• Crest• Trough• Compression• Rarefaction
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The lowest point of a transverse wave is called…
• Crest• Trough• Compression• Rarefaction
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What is wavelength?
• Distance from crest to crest• Distance from middle of wave to crest
or middle to trough• Number of waves that pass through a
point in a second•Middle of a wave
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What is wave frequency?
• Distance from crest to crest• Distance from middle of wave to crest
or middle to trough• Number of waves that pass through a
point in a second•Middle of a wave
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What is amplitude?
• Distance from crest to crest• Distance from middle of wave to crest
or middle to trough• Number of waves that pass through a
point in a second•Middle of a wave
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Which of the following is NOT an example of a transverse wave?
•Water wave• Light waves• Strings on a musical instrument• Sound Waves
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Sound travels the fastest through what media?
•Water •Air• Solids• Empty space
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What wave travels the fastest?
• Light waves• Sound waves•Ocean waves• Seismic waves
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We see things because our eyes _________ light.
• Refracts• Blocks• Absorbs• Reflects
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The color white ______ all colors while the color black _______ all colors.
• Absorbs, reflects• Reflects, absorbs• Absorbs, absorbs• Reflects, reflects
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Light gets reflected at ________ angle it hits.
• a higher• a lower• a different • the same
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The bending of a wave as it passes from one medium to another is called…
• reflection• refraction• diffraction• interference
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When an object causes a wave to change direction it is called…
• reflection• refraction• diffraction• interference
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When two waves collide or run into each other it is called…
• reflection• refraction• diffraction• interference
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Which picture shows constructive interference and which shows
destructive interference?
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Review of things we have learned earlier
this year…
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What do we call a membrane that only lets some substances pass through (like the cell membrane)?• Permeable• Impermeable• Selectively Permeable• Absolutely Permeable
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If you have a rabbit with black fur (Bb) crossed with a rabbit with
brown fur (bb), what will be the phenotype percentages?
What about the genotypes?
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• What are the 3 reactants of photosynthesis?
• What are the 2 products of photosynthesis?
• What are the 2 reactants of cellular respiration?
• What are the 3 products of cellular respiration?
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What is an example of bioengineering?
• A tomato plant that is made to repel insects.• A greenhouse.• A tree that grows better with more sunlight.• A microscope.
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Put these pictures from mitosis in order:
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In diffusion, particles move from an area of __________ concentration
to an area of ____________ concentration.
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What do plant cells have that animal cells do not have?
1.2.3.
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Newton’s 3 Laws of Motion
• Which law explains why when a cannon ball leaves a cannon, it forces the entire cannon backwards (like the kick-back from a gun)?
• Which law explains why when a moving car stops your body wants to keep moving?
• Which law explains why it take more forces to move a bowling ball then a kick ball?
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What is an unintended consequence of the cell phone?
A. Being able to call someone when you are stranded on the side of the road
B. People texting and driving and getting into more accidents.
C. Being able to communicate from almost any location.
D. Parents and children being able to communicate more easily.
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Put the following steps of the technology design process in the
correct order:
• Solution design• Problem Identification• Implementation (trying it out)• Evaluation