Physical Science

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Infrared Radiation [Jim Spitzer]: Produced by NASA, this is great as an introduction to radiation. A student favorite.
6 min 45 sec

Hammer vs Feather on the Moon [NASA]
1 min 22 sec

Here's a feather vs. hammer re-creation by the BBC in the world's biggest vacuum chamber. Dramatic use of slo-mo.

10 Amazing Science Experiments [Home Science]
8 min 13 sec

Density of Gas demonstration [TheTvelvethMonkey]:
A lot of teachable moments can come out of this about floating, density, gases etc. And it's super-cool.
30 sec

Start with the video above then move onto this one from Cal Poly Pomona, which is even better

VantaBlack - The Darkest Material Ever Made [Sci Show]: Overview of this new material that absorbs 99.965% of all light. Very good to use with any lesson on reflection and absorption of light.
3 min 52 sec

Convection Currents in Water [Mr. Temme]: My favorite video showing convection currents. The music will drive you crazy after a while, so turn it down or off. Trust me.
4 1/2 min

Railroad Tanker Vacuum Implosion [Tom Brattain]
18 sec

55 Gallon Drum Can Crush [thechemman]
2 min 32 sec

Spinning Levers (1936) [US Auto Industry]
9 min 40 sec

The Electromagnetic Spectrum [Best of Science]
5 min 19 secs

The Double Slit Experiment [Veritasium]
7 min 39 secs

Misconceptions About Falling Objects [Veritasium]
2 min 59 secs

How Many Drops Can You Fit on a Penny [Gazdonian Productions] Watch it here.
1 min 56 sec

Slow Motion Water Droplet [The Tykjen]: Researchers at MIT show how surprisingly complex and amazing a simple drop of water actually is. (note: the video ends abruptly)
1 min 34 sec

Surface Tension of Water - The Floating Paper Clip [Gazdonian Productions]: See how water's high surface tension allows you to float a standard paper clip on an almost overflowing glass.
3 min 29 sec

Doppler Effect/Red Shift - Minivan Horn [hherold]: The most basic example of the Doppler Effect. Low budget and low resolution but good to show as an intro to this topic.
9 secs

Doppler Effect [Charlieiscoollike]: Well done video that really benefits from the fact that it is made by a teenager. Students seem to naturally be more attracted to this video for that reason.
4 min 10 sec

Doppler Effect/Red Shift Explained [Alt Shift X]: Good explanation with some good visuals.
3 mins

How Wifi Signal Spreads [Couch App]
53 secs

Friction and Engine Lubrication (1939) [Jeff Quitney]
10 min 39 secs

How Temperature Affects Chemical Reactions [Gazdonian Productions]: Basic demo showing how hotter temps cause a more bigger reaction between baking soda and vinegar.
2 min 35 sec

Surface Area and Evaporation [Gazdonian Productions]: A basic concept but the time lapse really makes in noticeable. Though this deals with evaporation, I apply the surface area concept to the weathering of rock.
2 min 09 sec

Surface Area and Melting Snow [Gazdonian Productions].
30 sec

Condensation Time Lapse [Gazdonian Productions]
5 min 48 secs

Vacuum Chamber Demo [Gazdonian Productions]
5 min 51 secs

Soda Can in a Vacuum Chamber [The Action Lab]: The action happens at the 2:26 mark.
3 min 58 secs

Slo-Mo Falling of Different Spheres [Gazdonian Productions]
2 min 06 secs

Lava on Ice [Science Channel]: The Science Channel's report on an experiment done at Syracuse University. My students love this.
2 1/2 mins

Here's the raw footage, which has a much more real, non-produced vibe to it (7 mins)

Halite Dissolving Time Lapse [Gazdonian Productions]: Straight forward but cool to see.
1 min 24 sec

Resonance Visualized with Sand [brusspup]
3 min 38 sec

States of Matter - Molecular Arrangement [Mr. Temme]: Good visual for explaining the basics of states of matter.
42 sec

Mythbuster Hot Water Heater Explosion [Mythbusters]: A great example of the water-to-steam volume (and thus pressure) increase. Students really love this with good reason (and it serves as a valuable safety warning to them about the possible dangers of high-pressure steam.)
3 min 9 sec

How Sound Works in Rooms [Acoustic Geometry]
3 min 33 sec