Welcome to Clip from Spiral logo

Interactive video lesson plan for: Would Headlights Work at Light Speed?

Activity overview:

If you were driving at the speed of light and turned on your headlights, what would happen?
Twitter: http://www.twitter.com/tweetsauce
Instagram: http://www.instagram.com/electricpants
Sources and extras below!!

Thanks to Jude for asking me this question on twitter! https://twitter.com/stefanikj5/status/550865272895447041

“The Life of the Cosmos” by Lee Smolin: http://www.amazon.co.uk/The-Life-Cosmos-Lee-Smolin/dp/0195126645
“In Search of the Multiverse” by John Gribbin: http://www.amazon.co.uk/In-Search-Multiverse-John-Gribbin/dp/0141036117
“The Pig That Wants to be Eaten: by Julian Baggini: http://www.amazon.co.uk/The-Pig-That-Wants-Eaten/dp/1847081282

Relevant MinutePhysics videos:

https://www.youtube.com/watch?v=IM630Z8lho8
https://www.youtube.com/watch?v=NnMIhxWRGNw
light slowing down in glass: https://www.youtube.com/watch?v=FAivtXJOsiI
a different perspective from Sixty Symbols about light slowing down: https://www.youtube.com/watch?v=CiHN0ZWE5bk

Why is “c” the speed of light?

http://math.ucr.edu/home/baez/physics/Relativity/SpeedOfLight/c.html

Car at light speed:

http://www.sydneyobservatory.com.au/2010/what-happens-when-a-car-travelling-near-the-speed-of-light-turns-on-its-headlights/
https://van.physics.illinois.edu/qa/listing.php?id=1355
http://www.scienceforums.net/topic/82191-i-am-driving-my-car-at-the-speed-of-light-and-i-turn-on-my-headlights-what-do-i-see/
http://www.desy.de/user/projects/Physics/Relativity/SpeedOfLight/headlights.html

Light speed is the same in all inertial frames of reference:

http://www.physlink.com/Education/AskExperts/ae558.cfm
https://van.physics.illinois.edu/qa/listing.php?id=2605
http://hyperphysics.phy-astr.gsu.edu/hbase/relativ/mmhist.html#c1

Relativistic addition of velocities:

http://demonstrations.wolfram.com/EinsteinsFormulaForAddingVelocities/
http://cnx.org/contents/e3a41220-af3f-40c6-b8ba-1a5d1bcbed92@6/Relativistic_Addition_of_Veloc

doppler shift:

http://commons.wikimedia.org/wiki/File:XYCoordinates.gif#mediaviewer/File:Doppler-velocity89.jpg

Relativity:

http://www.refsmmat.com/jsphys/relativity/relativity.html
http://www.astro.virginia.edu/~jh8h/Foundations/quest7.html

Light speed and catching-up to light.

http://www.pitt.edu/~jdnorton/Goodies/Chasing_the_light/
http://math.ucr.edu/home/baez/physics/Relativity/SpeedOfLight/speed_of_light.html
http://www.askamathematician.com/2010/11/q-what-would-you-experience-if-you-were-going-the-speed-of-light/
http://scienceline.ucsb.edu/getkey.php?key=1571
https://van.physics.illinois.edu/qa/listing.php?id=1354

Other good relativity resources: http://newt.phys.unsw.edu.au/einsteinlight/

Light echo footage: http://www.spacetelescope.org/videos/heic0617a/

“fine-tuned” universe:

http://io9.com/5989467/how-does-the-anthropic-principle-change-the-meaning-of-the-universe
http://en.wikipedia.org/wiki/Fine-tuned_Universe
http://rationalwiki.org/wiki/Anthropic_principle

Irrational numbers: http://mathworld.wolfram.com/IrrationalNumber.html

a million digits of pi: http://www.piday.org/million/

THERE'S MORE VSAUCE!!

Vsauce2: http://www.youtube.com/Vsauce2
Vsauce3: http://www.youtube.com/Vsauce3

animated drawings by Guy Larsen https://twitter.com/guylar
rocketship animation by Eric Langay https://twitter.com/ericlanglay

Tagged under: light speed,Speed (Dimension),Speed Of Light (Unit Of Speed),Physics (Field Of Study),headlights, ,michael stevens,vsauce,hubble,nasa,universe,multiverse,matrix,reality,anthropic principle,existance,photons,special relativity

Find more lesson plans like this:

16th-Century Art of Northern Europe & Spain: Characteristics, Techniques & Famous Works

Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.

Add multiple choice quizzes, questions and browse hundreds of approved, video lesson ideas for Clip

Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching plans

Play this activity

1. Students enter a simple code

2. You play the video

3. The students comment

4. You review and reflect

* Whiteboard required for teacher-paced activities

Share on:

Share Would Headlights Work at Light Speed? on Google+ Share Would Headlights Work at Light Speed? on Twitter Share Would Headlights Work at Light Speed? on Facebook Pin Would Headlights Work at Light Speed? Email Would Headlights Work at Light Speed?

Ready to see what else Spiral logo can do?

With four apps, each designed around existing classroom activities, Spiral gives you the power to do formative assessment with anything you teach.

Quickfire

Carry out a quickfire formative assessment to see what the whole class is thinking

Discuss

Create interactive presentations to spark creativity in class

Team Up

Student teams can create and share collaborative presentations from linked devices

Clip

Turn any public video into a live chat with questions and quizzes

1000s of teachers use Spiral to deliver awesome, engaging activities that capture students' understanding during lessons.

Now it's your turn Sign up

Spiral Reviews by Teachers and Digital Learning Coaches

Spiral
Review of Spiral by teacher: Kathryn Laster @kklaster

Tried out the canvas response option on @SpiralEducation & it's so awesome! Add text or drawings AND annotate an image! #R10tech

Spiral
Review of Spiral by teacher: Room 220 Math Stars @3rdgradeBCE

Using @SpiralEducation in class for math review. Student approved! Thumbs up! Thanks.

Spiral
Review of Spiral by teacher: Miss Ord @ordmiss

Absolutely amazing collaboration from year 10 today. 100% engagement and constant smiles from all #lovetsla #spiral

Spiral
Review of Spiral by teacher: Adam J. Stryker @strykerstennis

Students show better Interpersonal Writing skills than Speaking via @SpiralEducation Great #data #langchat folks!

Spiral
Review of Spiral by teacher: Dr Ayla Göl @iladylayla

A good tool for supporting active #learning.

Spiral
Review of Spiral by teacher: Brett Erenberg @BrettErenberg

The Team Up app is unlike anything I have ever seen. You left NOTHING out! So impressed!

Get the Clip Chrome Extension & Create Video Lessons in Seconds

Add Clip to Chrome