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How do you LIGHT Up your world ? Part I-Virginia SOL 5.3. Exa min ing Lig ht 20 04 with Hands-On Activities Compiled by, Marjorie Anne Wallace Elementary Science Resource Teacher 2002-2005 / NNPS & NSF Coop Agreement. Welcome to a power point presentation on LIGHT.

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how do you light up your world part i virginia sol 5 3

How do you LIGHT Up your world ?Part I-Virginia SOL 5.3


with Hands-On Activities

Compiled by, Marjorie Anne Wallace

Elementary Science Resource Teacher

2002-2005 / NNPS & NSF Coop Agreement

welcome to a power point presentation on light
Welcome to a power point presentation on LIGHT.
  • We will investigate the following:
  • 1. What is light?
  • 2.What are some sources of light around us?
  • 3. What are opaque, transparent, & translucent


  • 4. What is a light wave?
  • 5.Are there any hands-on/minds-on activities I can do to learn more?
light standards
National Science Education Standards

Physical Science: Content Standard B

As a result of the activities in grades

K-4, all students should develop an understanding of light, heat, electricity, and magnetism.

Virginia Standards of Learning 5.3 a-e:

The student will investigate and understand basic characteristics of visible light and how it behaves. (*Key concepts, 5.3a-e, are listed in your teacher curriculum guide)

LIGHT Standards
  • Our primary source of light is the sun.
  • Light travels in straight lines at a speed of 186,000miles per second.
  • *Light waves travel fasterthan sound waves!
  • Light energy from the sun travels through space , reaches earth, and some of it turns to heat energy and warms the earth’s air.
  • Light from the sun also travels to the cells of green plants (producers) and is stored as energy.
  • When light reaches an object, it is absorbed, reflected, or passes through it.
sensing light
Sensing Light
  • Humans have two light detectors.
  • Do you know what they are called?
how many sources of light can you list and explain
How many sources of Light can you list and explain?
  • SUN=warms air,

water, and land.

  • Fire=provides heat, light, and cooking fuel.
  • Lightning=
  • Firefly=
  • Flashlight=
  • Light bulb=
  • Laser beams=
  • Optical




*AIMS: Primarily Physics:

Light Sources Activity

can you answer these 5th grade 2003 sol queries
Can you answer these 5th grade 2003-SOL queries?
  • 1. A person will see a flash of lightning before they hear the thunder that goes with it because?

*SOL 2003 querie #14/CORE 1 Exam (5.3e)

  • 2.Can you draw a long wavelength and a short wavelength next to it? *SOL2003 queire #9/CORE 1 Exam(5.3a)
  • 3.What scientific tools are used to study light?

*SOL2003/CORE 2 Exam(5.3b)

  • 4. Can you contrast objects that are transparent, translucent, and opaque? *SOL2003/CORE 2 Exam(5.3d)
just passing through what happens when light strikes glass or waxed paper or a book
“Just Passing Through:” What happens when light strikes glass? Or waxed paper? Or a book?
  • If light travels through an object it is =transparent
  • If light is blocked by an object and a dark shadow is cast it is= opaque.
  • If some light passes through but not all and a light shadow is present it is=translucent.

*AIMS:Primarily Physics: Just

Passing Through Activity

what happens when light hits these objects
What happens when light hits these objects?
  • Glass of water
  • School bus window
  • Notebook paper
  • Waxed paper
  • Plastic wrap
  • Tissue paper
  • Cardboard
  • Textbook
  • Hand lens…
transparent objects
Transparent objects:
  • The windows on a school bus,
  • A clear empty glass,
  • A clear window pane,
  • The lenses of some eyeglasses,
  • Clear plastic wrap,
  • The glass on a clock,
  • A hand lens,
  • Colored glass…
  • ALL of these are transparent. Yes, we can see through them because light passes through each of them.
translucent objects
Translucent objects
  • Thin tissue paper,
  • Waxed paper,
  • Tinted car windows,
  • Frosted glass,
  • Clouds,
  • All of these materials are translucent and allow some light to pass but the light cannot be clearly seen through.
opaque objects
Opaque objects:
  • Heavy weight paper,
  • Cardboard
  • Aluminum foil,
  • Mirror, bricks, buildings,
  • Your eyelids and hands,
  • Solid wood door,
  • All of these objects are opaque because light cannot pass through them at all.
  • They cast a dark shadow.
let s find out how light travels
Let’s find out how light travels?
  • Simple Activity: 1 working flashlight
  • 1. Shine a flashlight on a wall.
  • 2. Does light from the flashlight reach the wall? How do you know?
  • 3. What evidence do you have showing light travels in a straight line?
  • 4.Record answers in your science journal
  • 5.Move closer with the flashlight.
  • Any changes? *Write a story about light.
understanding waves
Understanding Waves
  • The traditional hands-on/minds-on activities:
  • 1. “slinky lab: A Wave Simulation!” as well as
  • 2. “Waves in Action” (visual learner), and
  • 3. “Act It Out!Waves Tall and Small” (kinesthetic learner) activities will help children understand waves better. *Science Museum of Virginia: Light & Sound

  • *Unitedstreaming movies:”Out of Darkness: An Introduction to Light: Facts About Light.”(auditory & visual learners). *Check with your building technology dept for

your schools password.

what is light really elec trom agne tic radi atio n wa ves
What is light really?Electromagneticradiationwaves
  • Light waves are three dimensional.
  • Light waves vibrate in all planes around a center line.
  • The waves have high points called “crests.”
  • Waves also have low points called “troughs.”
  • *The distance from one crest to the next crest is called a “wavelength.”
  • *The number of waves passing a given point in one second is called the “frequency.”


*A Science Museum of VA:

Light Science Activity

a wave simulation

*Science Museum of VA

A Wave Simulation

Activity/Demo OR

GEMS:”Invisible Universe”

Comparing Wave Makers

A wave simulation:
  • Materials: 1 long spring or rope
  • 1. Teacher and a strong student will hold either end of the coiled spring tightly braced against their body.
  • 2.Teacher will walk away from the student until the spring is loosely stretched between them.
  • 3.Gently snap the spring up and down once to send a wave of energy to the student’s hand. It will bounce back, or reflect, from the stationary end.
  • 4. Point out each wave has a crest (high half) and a trough (low half). Check for understanding
electromagnetic radiation
*Electromagnetic Radiation
  • Electromagnetic radiation can be described as a stream of photons. Each photon traveling in a wave-like pattern, moving at the speed of light and carrying some amount of energy.
  • The only difference amongst radio waves, visible light, and gamma-rays is the amount of energy of the photons. Radio waves have photons with low energies. Microwaves have a little more energy than radio waves. Gamma-rays and cosmic rays have highest energy waves and are the deadliest.

*Page info from NSTA Conference 2004


Don’t’ forget…longest waves (radio) shortest waves (cosmic)

*Page info from NSAT Conference 2004


1. 9 volunteers

2. paper & pencil.

These 2 activities help to explain the electromagnetic spectrum and dispel some of the common misconceptions.

1.Acting It Out! Waves Tall & Small Activity(The electromagnetic family) +2.Scaling the Spectrum Activity

*Science Museum of Virginia

Acting It Out! Activity +

Scaling the Spectrum Activity OR

GEMS: Invisible Universe

Comparing Wave Makers I.