LEARNING HUB connecting Science curricula to everyday applications with LESSON PLANS, lab aids and more
Your One STOP Science source
In collaboration with Washington International School Team Science
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***GREEN WRITING = info about the website construction
Chemistry 4
Energy Thermochemistry
Phenomenon--how can you explain the energy produced ?
What do you know before you see this source?
Thermite reaction with cannonballs Washington International School Science
How does it add to your knowledge?
What do you still need to know?
Cannonball chemistry explained WIS Science
Energy in reactions:
Exothermic and endothermic
Energy-level diagrams
Bond breaking/bond making
Hess's Law
Calorimetry
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HS PS1-4 Energy:
Develop a model to illustrate that the release or absorption of energy from a chemical reaction system
depends upon the changes in total bond energy.
Energy-level diagrams
Conservation of energy
Prior Knowledge/Preview
A basic introduction to energy in reactions Smithsonian Education Center
Energy-level diagrams WIS
Inquiry science
Printable activity
Investigate/discovery ENERGY in Chemistry
On-line activity
Which is the best fuel? WIS
LAB experiments videos/lab investigations
Lab #1--Heat of solution UCDSB
Lab #2--Alcohol burner LAB Washington International School
Lab #3--Calorimetry and Hess's Law lab Washington International School
Lab #4 Endothermic reactions and examples WIS
Lab #5 Ethyne/acetylene as a fuel Washington International School
SAFETY/LAB AID
Aerospace CONNECTIONS:
Applications and examples--rocket fuels and more-
The V-2 rocket fuel from 1940s Germany--using ethanol
The Goddard 1926 rocket, USA--using gasoline
The Space Shuttle--using liquid hydrogen
-the chemistry of fuels in the Goddard rocket, V-2, space-shuttle main engines and more
EXTENSION material for the curious
--More about rockets and propulsion in space
Early rocket failures
extras: hydrogen as a fuel
--relevant links to the NASM site and more
AND Investigate the theory behind rocket fuels and more
The rockets:
V-2 (combustion of ethanol)
1926 Goddard rocket (gasoline combustion)
Space Shuttle main engine (liquid H2)
Science conneXions to aerospace
1. Bond breaking/bond making
Activity / THEORY
2. Heat of Combustion: Lab/ THEORY
3. Exothermic/endothermic reactions: more aerospace examples
4. Energy level diagrams: rocket fuel diagrams
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