Home L.C. Physics L.C. Physics Revision J.C. Physics J.C. Biology J.C. Chemistry Applied Maths Contact

Junior Cert Heat

Revison Crossword on Heat From thephysicsteacher.ie  
What's hot and what's not in the universe
Unfortunately the emphasis is mostly farenheit but still worth checking out.
4 Star
       
Heat and Jiggliness      
What's the difference between Heat and Temperature?
Very useful interactive animation
4 Star
Another explanation from Bill Nye The Science Guy
YouTube. 2 mins
4 Star
Can Humans Really Feel Temperature? See I told you - it's all about 'jiggliness'. YouTube. 2 mins 4 Star
Another perspective
Wonderful explanation from the great Richard Feynman YouTube. 2 mins
5 Star
Brownian Motion
Nice example from absorblearning
4 Star
       
Expansion of Solids      
What happens at the atomic level when you heat a metal?
This is known as the Kinetic Theory of atoms.
4 Star

Heating a metallic rod – molecular model

Nice example from absorblearning
4 Star
Animation of kinetic motion of a rod being heated
Nice example from absorblearning
 
A metal that contracts when heated
Zirconium tungstate is important in many areas of technology. Can you guess why? Text-based
3 Star
       
Expansion of Liquids      
What happens liquid nitrogen when you heat it?
It expands of course.
Now what happens if you put a bottle of LN2 in a bin with 1500 ping pong balls?
YouTube. 4 mins
4 Star
Using a thermometer
Nice animation
4 Star
       
Expansion of Gas      
Simulation Nice simulation of gas molecules where you can vary the temperature 4 Star
       
Expansion of Solid, Liquid and Gas, Part 1 of 2
Short class demonstrations. MyYoutube. 5.30
 
Expansion of Solid, Liquid and Gas, Part 2 of 2
Short class demonstrations. MyYoutube. 7 minutes
 
       
Pressure and Boiling Point
Simple animation of a pressure cooker
From absorblearning.com
 
Pressure and boiling point. You can use a large syringe.
MyYouTube. Simple demonstrations. 6 mins
 
It's called a Vac-U-Vin. Order it online MyYouTube. 4 mins  
       
Changing State      
Nice animation of changing state when heat is applied
From Phet. Notice that it is not possible to make the molecules absolutely motionless
5 Star
What is evaporation?
Nice animation from absorblearning
4 Star
What's going on when water boils?
Nice example from absorblearning
4 Star
Latent Heat Graphs      
Graph of the temperature of a beaker of water changing with time for an insulated and uninsulated beakers
Students should try to predict the shape of both graphs in advance. From absorblearning.com
4 Star
Heating curve for steraic acid
From absorblearning.com
5 Star
Cooling curve for steraic acid
From absorblearning.com
5 Star
Melting ice
From absorblearning.com
5 Star
       
Conduction      
To show that water is a poor conductor of heat Youtube 2 minutes 3 Star
Place an ice-cube on two separate blocks - what happens? Something very strange - that's what. MyYouTube 13 mins.  
Firewalking
Youtube 16 second
4 Star
Longest distance firewalk. Youtube 6 minutes
3 Star
A scientific viewpoint from sceptic Michael Shermer Youtube 7 minutes
5 Star
Convection
 
Demonstrating convection currents using simple apparatus Youtube 2 minutes 4 Star
Animation of convection expt
Nice example from absorblearning
4 Star
Animation of convection currents in a beaker of water
From absorblearning.com
4 Star
Convection, sea-floor spreading and plate movement

Nice animation from absorblearning.com

4 Star
Covection is responsible for our continents Youtube 2 minutes 4 Star
Plate tectonics link Youtube 1 minute 4 Star
Cool demonstration of convection
All you need is a tea-bag (of the herbal variety). From Youtube
3 Star
Taiwan lantern festival
Youtube.
4 Star
       
Radiation      
Demonstrating that dark objects are better radiatiors of heat than bright objects. Youtube 2 minutes 3 Star
       
Conduction, convection and radiation
 
Nice revision on heat transfer
Nice animations
3 Star
       
Insulation      
The effect of insulation on a hot beaker From absorblearning.com Can you predict the shape of the graph beforehand?  
       
Oddballs      
What happens when you put a hot metal sphere in water?
It's called The Leidenfrost Effect. MyYoutube. 3 minutes
 
Watch how monkeys have adapted to their unique environment and enjoy the benefits of geothermal energy
Youtube
4 Star