electromagnetic spectrum powerpoint, physical science

• The Electromagnetic Spectrum: The entire frequency range of electromagnetic waves.

Low High

• RED SLIDE: These are notes that are very important and should be recorded in your science journal.

-Nice neat notes that are legible and use indentations when appropriate.

-Example of indent.

-Skip a line between topics -Don’t skip pages

-Make visuals clear and well drawn. Please label.

IceMelting Water

Boiling Vapor

Heat Added

• RED SLIDE: These are notes that are very important and should be recorded in your science journal.

• BLACK SLIDE: Pay attention, follow directions, complete projects as described and answer required questions neatly.

• http://sciencepowerpoint.comWebsite Link:

The Electromagnetic Spectrum: The entire frequency range of electromagnetic waves.

Large Small

Large SmallLess Powerful More Powerful

Low High?

Low High

• Which wave is more powerful? Red or Blue?

b/c shorter wavelength

.00000000000000001

Very small

.00000000000000001

Very small

.00000000000000001

Very small

.00000000000000001

Very small

.00000000000000001

Very small

.00000000000000001

Very small

.00000000000000001

Very small

.00000000000000001

Very small

.00000000000000001

Very small

.00000000000000001

Very small

.00000000000000001

Very small

.00000000000000001

Very small

.00000000000000001

Very small

.00000000000000001

Very small

Which one is dangerousTo our cells when absorbed?

.00000000000000001

Very small

.00000000000000001

Very small

High or Low

Frequency?

.00000000000000001

Very small

HighFrequency

• Video Link! The EM Spectrum Introduction.– http://www.youtube.com/watch?v=lwfJPc-rSXw

• EM Spectrum Available Sheet

• Please create the following template to record some notes in your journal.

Gamma Rays

Radiowaves

Gamma Rays

Radiowaves

X-Rays

Gamma Rays

Radiowaves

X-Rays Microwaves

Gamma Rays

Radiowaves

X-Rays Microwaves

Ultraviolet

Gamma Rays

Radiowaves

X-Rays Microwaves

Ultraviolet

Infrared

Gamma Rays

Radiowaves

X-Rays Microwaves

Ultraviolet

Infrared

Visible Light

Gamma Rays

Radiowaves

X-Rays Microwaves

Ultraviolet

Infrared

Visible Light

Notes for Gamma rays will go here

Gamma Rays

Radiowaves

X-Rays Microwaves

Ultraviolet

Infrared

Visible Light

Gamma Rays

Radiowaves

X-Rays Microwaves

Ultraviolet

Infrared

Visible Light

Gamma Rays

Radiowaves

X-Rays Microwaves

Ultraviolet

Infrared

Visible Light

Gamma Rays

Radiowaves

X-Rays Microwaves

Ultraviolet

Infrared

Visible Light

Gamma Rays

Radiowaves

X-Rays Microwaves

Ultraviolet

Infrared

Visible Light

Gamma Rays

Radiowaves

X-Rays Microwaves

Ultraviolet

Infrared

Visible Light

• Activity! Touring the Electromagnetic Spectrum.– Record notes for each wavelength on the EM

spectrum from the following websites.– http://missionscience.nasa.gov/ems/– http://www.pbs.org/wgbh/nova/gamma/spectrum

• Video Link! Electromagnetic Spectrum to finish with notes.

• Radiowaves:– http://www.schooltube.com/video/1b59fc3dcc98b70f2c5a/

• Microwaves:– http://www.schooltube.com/video/c20a0b7bf45adf55250f/

• Infrared Waves– http://www.schooltube.com/video/365767696469f9072165/T

he-Electromagnetic-Spectrum-Infrared-Waves

• Ultraviolet Waves– http://www.schooltube.com/video/d31786f3c24821e22d19/

• X-Rays:– http://www.schooltube.com/video/6cb80d8cf680930508dc/

• Gamma Rays:– http://www.schooltube.com/video/95449b148111ca64072d/

• Long waves are less powerful, short are more powerful.

• Which waves are more powerful, Radiowaves or Gamma Rays?

• Which waves are more powerful, Ultraviolet or Infrared?

• Which color is more powerful,• Red or Violet?

Waves of the electromagnetic spectrum travel at the speed of light. 186,000 miles per second or 300,000 kilometers per second in a vacuum.Visible light measured in lumens.All others are measured in radiation.

• All energy waves have an electric and magnetic field to them.

Radiation when it hits something can be…AbsorbedReflectedScattered

Diffraction, RefractionTransmitted

Temperature of an object relates to the amount of radiation released.-

Temperature of an object relates to the amount of radiation released.The hotter, the more radiation

released.

Radiowaves: Longest wave in the spectrum.Size of a football field. Not very

powerful.

Radiowaves: Longest wave in the spectrum.Size of a football field. Not very

powerful.

• The difference between AM and FM is the frequency of the wave.

• Which radio has the higher frequency, AM or FM radio?

Frequency: The number of occurrences within a given time period.

• Which radio has the higher frequency, AM or FM radio? Answer: FM

• What does AM and FM and stand for?

AM = Amplitude Modulation

FM = Frequency Modulation

• They have a number of important uses for communication.

• They have a number of important uses for communication.– Various waves in the EM spectrum have

different behaviors and therefore uses as they interact with matter.

Radio waves

Microwaves

Radio waves

Microwaves

Infrared

• What is Radio Direction and Ranging?

• Answer! Radar

• How RADAR works.– Radio waves bounce off of an object and

return, size and distance is then obtained.

• How RADAR works.– Radio waves bounce off of an object and

return, size and distance is then obtained.

• Unless the radio wave is deflected in a way that won’t make it back to the RADAR device.

This would be bad because the radar would detect the bomber.

This is what actually happens. The bomber is undetected.

• What are the advantages of using a digital message such as email or cell phone over handwritten mail?

• Advantages?– Message travels at the speed of light.

• 299,792,458 m / s

– Stored and organized on a computer.– Easily shared, copied, and transmitted.

• Advantages?– Message travels at the speed of light.

• 299,792,458 m / s

– Stored and organized on a computer.– Easily shared, copied, and transmitted.

• Disadvantages?– Less personal?– Deleted easily?– Can get stolen?– The NSA is listening?– Computer viruses?– EM waves and cancer?– Disruption to honeybees?– Kids in the Congo mining Coltan– Polluting when disposed of?

• Disadvantages?– Less personal?– Deletes easily?– Can get stolen?– The NSA is listening?– Computer viruses?– EM waves and cancer?– Disruption to honeybees?– Kids in the Congo mining Coltan– Polluting when disposed of?– Social Networking?– Cyber bullying.

Microwaves: Waves with wavelengths ranging from 1 m down to 1 mm.

• Activity Simulator. Microwaves• http://phet.colorado.edu/en/simulation/micr

owaves

• Activity / Video Link: Let’s microwave something.– http://www.youtube.com/watch?v=-Bcfp5_8bz4&f

eature=BFa&list=EC77ECE976316E5992

• Activity / Video Link: Let’s microwave something.– http://www.youtube.com/watch?v=-Bcfp5_8bz4&f

eature=BFa&list=EC77ECE976316E5992

• Can anyone correctly spell (IR) from the EM Spectrum.

“I-N

“I-N-F

“I-N-F-R

“I-N-F-R-A

“I-N-F-R-A-R

“I-N-F-R-A-R-E

“I-N-F-R-A-R-E-D”

“Infrared”

• The Herschel Experiment:

• The Herschel Experiment: – In 1800, Sir William Herschel discovered the

existence of infrared.

existence of infrared. Herschel passed sunlight through a prism.

existence of infrared. Herschel passed sunlight through a prism. As the sunlight passed through the prism it divides into a rainbow of colors (spectrum)

– Hershcel used thermometers with blackened bulbs and measured the temperature of the different colors of the spectrum.

• The Herschel Experiment: – Hershcel used thermometers with blackened

bulbs and measured the temperature of the different colors of the spectrum.

Why blackened bulbs?

Why blackened bulbs?Black absorbs all colors so it will conduct more heat to the thermometer / collect data

Why blackened bulbs?Black absorbs all colors so it will conduct more heat to the thermometer / collect data ?

• Results: He observed that the temperature increased from the blue to the red part of the spectrum. – The really cool thing about this experiment…

Then he placed a thermometer just past the red part of the spectrum in a region where there was no visible light and found that the temperature there was even higher.

Then he placed a thermometer just past the red part of the spectrum in a region where there was no visible light.

• The temperature was higher and Herschel concluded that there must be another type of light that we cannot see in this region.

• The temperature was higher and Herschel concluded that there must be another type of light that we cannot see in this region. – This light is now called infrared.

Conduct experiment and learn more at… http://coolcosmos.ipac.caltech.edu/cosmic_classroom/classroom_activities/herschel_experiment.html

Infrared Radiation: Wavelengths between microwaves and visible light. (heat)

• Infrared radiation is from about a pin head to the cellular level.

• Infrared radiation is from about a pin head to the cellular level. – Infrared can be felt as heat.

• Can be used in meteorology.

• Infrared can be used for military and law enforcement purposes.

• Many animals such as snakes can see in infrared.

Heat loss through the ears to cool down.

• Where is this house losing heat and needs insulation?

• Also used as a heat source.

• Visible Light

• Visible Light NOT CORRECT!

• Video! Incredibly small part of spectrum.

• Does anyone know this man?– His name is Roy G. Bv.

• Video! TMBG Roy G. BiV. (You Tube) http://www.youtube.com/watch?v=Gf33ueRXMzQ

“I hoped you liked that

video, but I am the real Roy G. BiV.”

• White light consists of the following colors

Sir Isaac Newton’s experiment with prisms showing the visible spectrum

• Activity! Turning white light into the colors of visible light. Making rainbows.

“I see that you like the

colors of ROY G. BiV”

• Activity Simulator: Visible Light, Filters, and More

• http://phet.colorado.edu/en/simulation/color-vision

Visible light consists of…Please use color.

• Violet has a stronger wave length than Red.

• Activity! Are you color blind?– If you can’t see the numbers than you are.

• What it looks like if you are colorblind?

• We see the flower on the left (visible light),

• We see the flower on the left (visible light), a bee see’s the flower on the right. (UV)

• Activity! Seeing in Ultraviolet light.

• Activity! Seeing in Ultraviolet light.– Write a secret message using laundry

detergent to a friend in your journal.

detergent to a friend in your journal. (Appropriate please!)

– Use UV light to uncover message.

• Some stains can be seen with UV light, like those seen on crime shows.

Ultraviolet (UV): Has shorter wavelengths than visible light. More powerful than visible light.

Ultraviolet has many wave lengths as well. All of which can cause cancer.UVAUVBUVC

• Avoid UV exposure as it can lead to painful burns and deadly skin cancers.

“Oooooh, I should have

worn sun screen!”

X-Rays: They have smaller wavelengths and therefore higher energy than ultraviolet waves.

• Used for medical examination.

• X-rays can cause cancer if over exposed.• Hands of early x-ray technician.

• Used to study space phenomenon. • X-rays don’t make it through the

atmosphere (good thing) so satellites are used from space.

The Sun

• Video Link! X-Ray Images used to find blackholes. (Optional)– http://www.youtube.com/watch?v=YnXrLoATR-8

Gamma ray: Highest energy, shortest wavelength. Emitted during radioactive decay of a

fission product.

Gamma ray: Highest energy, shortest wavelength. Emitted during radioactive decay of a

fission product.

• 10 -11 That is a very small number.– Who can do the scientific notation.

.00000000001 –That is incredibly small.

• Radioactive atoms and from nuclear explosions.

• Video! Atomic Bomb test film showing massive release of energy at an atomic level (1955 footage).– http://www.youtube.com/watch?v=RqyBzXYZPoM

• Gamma rays can cause cancer, and can also be used to treat cancer patients by killing cancer cells.

Laser - Light Amplification by Stimulated Emission of Radiation.Lasers cross over many parts of the EM

scale.

• Laser are light but they are different than regular light because...

– It comes in one color.– It comes in a thin beam– It can be made very intense or not intense at

all and – It can be focused to a tiny spot.

• Activity! Laser are a thin straight beam.– One student gets ready with Aerosol spray

can (Lysol works or others).– Activate laser and student illuminates beam

with reflective particles.

• Activity! Laser are a thin straight beam.– One student gets ready with Aerosol spray

can (Lysol works or others).– Activate laser and student illuminates beam

with reflective particles.

• Laser work by amplifying light (making larger) through radiation.

• Laser work by amplifying light (making larger) through radiation.– One photon stimulates many

• A Photon: A bundle of electromagnetic (or light) energy. Photons are always in motion.

• A Photon: A bundle of electromagnetic (or light) energy. Photons are always in motion. – In a vacuum, light has a constant speed to all

observers of , c = 2.998 x 108 m/s.

• One atom stimulates another atom to release more photons.

• Emission stands for the releasing of photons.

• Radiation means given off.– For lasers it is photons.

Amplificiati

Stimulate

Amplificiati

Light E

Stimulate

Amplificiati

Light EmissionStimulate

Amplificiati

RLight

EmissionStimulate

Amplificiati

Radiatio

Amplificiati

Radiatio

Amplificiati

“OH NO!”

“OH NO!”“We have to do it again.”

• Laser - Light Amplification by Stimulated Emission of Radiation.– scale.

• Laser - Light Amplification by Stimulated Emission of Radiation.

• Mirrors on Moon – reflects laser back to earth – Helps determine distance.

Space Trash?He forgot his pencil?

• Activity! Lasers Light Show.

• Activity! Lasers Light Show.– Use a laser to create a nose on a smiley face.

• Activity! Lasers Light Show.– Use a laser to create a nose on a smiley face.– Laser must reflect off of all the mirrors provided.

• Activity! Lasers Light Show.– Use a laser to create a nose on a smiley face.– Laser must reflect off of all the mirrors provided.– Use the clay to place the mirrors.

• Activity! Lasers Light Show.– Use a laser to create a nose on a smiley face.– Laser must reflect off of all the mirrors provided.– Use the clay to place the mirrors.– Everyone must wear eye goggles for eye safety.

• Activity! Lasers Light Show.– Use a laser to create a nose on a smiley face.– Laser must reflect off of all the mirrors provided.– Use the clay to place the mirrors.– Everyone must wear eye goggles for eye safety.– Do not shine laser into someone’s eye!

Learn more at https://lasers.llnl.gov/education/how_lasers_work.php

• End of the Electromagnetic Spectrum.– Fill in the missing terms of the EM Spectrum.

“OH NO!”

“OH NO!”“We have to do it again.”

“OH NO!”

“OH NO!”“A few didn’t get to go.”

“OH NO!”

“OH NO!”“He’s Dead.”

• Video! – Uses of the Electromagnetic Spectrum.

• Quiz Wiz 1-10 Name the wave of the electromagnetic Spectrum.

• Bonus – These characters have the power to change the story. – How many can you name?

• Answers 1-10 EM Spectrum.

Alpha Pig

Wonder Red

Princess “P”

Alpha Pig

Wonder Red

Princess “P”

Super Why

• Try and be the first to figure out the hidden picture beneath the boxes.– Raise your hand when you think you know,

you only get one guess.

• You should be close to page 8 on your bundle.

• You can now provide text in the white space and then neatly color the following.

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

Anything

that has

mass and

takes up

Charle

• Energy Review Game for Part III

• “AYE” Advance Your Exploration ELA and Literacy Opportunity Worksheet– Visit some of the many provided links or..– Articles can be found at (w/ membership to

NABT and NSTA)• http://

www.nabt.org/websites/institution/index.php?p=1• http://learningcenter.nsta.org/browse_journals.aspx?j

ournal=tstPlease visit at least one of the “learn more” educational links provided in this unit and complete this worksheet

• “AYE” Advance Your Exploration ELA and Literacy Opportunity Worksheet– Visit some of the many provided links or..– Articles can be found at (w/ membership to and

NSTA)• http://www.sciencedaily.com/• http://www.sciencemag.org/• http

://learningcenter.nsta.org/browse_journals.aspx?journal=tst

http://sciencepowerpoint.com/Energy_Topics_Unit.html

Areas of Focus within The Matter, Energy, and the Environment Unit.There is no such thing as a free lunch, Matter, Dark Matter, Elements and Compounds, States of Matter, Solids, Liquids, Gases, Plasma, Law Conservation of Matter, Physical Change, Chemical Change, Gas Laws, Charles Law, Avogadro’s Law, Ideal Gas Law, Pascal’s Law, Viscosity, Archimedes Principle, Buoyancy, Seven Forms of Energy, Nuclear Energy, Electromagnet Spectrum, Waves / Wavelengths, Light (Visible Light), Refraction, Diffraction, Lens, Convex / Concave, Radiation, Electricity, Lightning, Static Electricity, Magnetism, Coulomb’s Law, Conductors, Insulators, Semi-conductors, AC and DC current, Amps, Watts, Resistance, Magnetism, Faraday’s Law, Compass, Relativity, Einstein, and E=MC2, Energy, First Law of Thermodynamics, Second Law of Thermodynamics, Third Law of Thermodynamics, Industrial Processes, Environmental Studies, The 4 R’s, Sustainability, Human Population Growth, Carrying Capacity, Green Design, Renewable Forms of Energy.

NGSS Standards MS

NGSS Standards HS

Additional Standards Addressed

• Please visit the links below to learn more about each of the units in this curriculum– These units take me about four years to complete

with my students in grades 5-10.

Earth Science Units Extended Tour Link and Curriculum Guide

Geology Topics Unit http://sciencepowerpoint.com/Geology_Unit.html

Astronomy Topics Unit http://sciencepowerpoint.com/Astronomy_Unit.html

Weather and Climate Unit http://sciencepowerpoint.com/Weather_Climate_Unit.html

Soil Science, Weathering, More http://sciencepowerpoint.com/Soil_and_Glaciers_Unit.html

Water Unit http://sciencepowerpoint.com/Water_Molecule_Unit.html

Rivers Unit http://sciencepowerpoint.com/River_and_Water_Quality_Unit.html

= Easier = More Difficult = Most Difficult

5th – 7th grade 6th – 8th grade 8th – 10th grade

Physical Science Units Extended Tour Link and Curriculum Guide

Science Skills Unit http://sciencepowerpoint.com/Science_Introduction_Lab_Safety_Metric_Methods.html

Motion and Machines Unit http://sciencepowerpoint.com/Newtons_Laws_Motion_Machines_Unit.html

Matter, Energy, Envs. Unit http://sciencepowerpoint.com/Energy_Topics_Unit.html

Atoms and Periodic Table Unit http://sciencepowerpoint.com/Atoms_Periodic_Table_of_Elements_Unit.html

Life Science Units Extended Tour Link and Curriculum Guide

Human Body / Health Topics http://sciencepowerpoint.com/Human_Body_Systems_and_Health_Topics_Unit.html

DNA and Genetics Unit http://sciencepowerpoint.com/DNA_Genetics_Unit.html

Cell Biology Unit http://sciencepowerpoint.com/Cellular_Biology_Unit.html

Infectious Diseases Unit http://sciencepowerpoint.com/Infectious_Diseases_Unit.html

Taxonomy and Classification Unit http://sciencepowerpoint.com/Taxonomy_Classification_Unit.html

Evolution / Natural Selection Unit http://sciencepowerpoint.com/Evolution_Natural_Selection_Unit.html

Botany Topics Unit http://sciencepowerpoint.com/Plant_Botany_Unit.html

Ecology Feeding Levels Unit http://sciencepowerpoint.com/Ecology_Feeding_Levels_Unit.htm

Ecology Interactions Unit http://sciencepowerpoint.com/Ecology_Interactions_Unit.html

Ecology Abiotic Factors Unit http://sciencepowerpoint.com/Ecology_Abiotic_Factors_Unit.html

• The entire four year curriculum can be found at... http://sciencepowerpoint.com/ Please feel free to contact me with any questions you may have. Thank you for your interest in this curriculum.

Sincerely,

Ryan Murphy M.Ed

www.sciencepowerpoint@gmail.com

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