Across
- 3. Measurement of heat transfer in a chemical or physical process
- 5. SI unit of energy
- 8. Symbol (Δ) used to represent change in a quantity
- 10. Nutrients needed in large amounts that provide energy (carbs, fats, proteins)
- 12. (fixing spelling): Measure of the average kinetic energy of particles
- 14. A reaction that releases heat to its surroundings
- 15. Study of heat changes during chemical reactions
- 16. Amount of heat needed to raise the temperature of 1 gram of a substance by 1°C
- 17. Stored energy due to position or arrangement
- 19. Substance that speeds up a reaction without being consumed
- 20. The part of the universe being studied in a reaction
Down
- 1. A reaction that absorbs heat from its surroundings
- 2. Energy of motion
- 4. Reaction of a substance with oxygen, releasing heat and light
- 6. Unit of energy commonly used in food measurements
- 7. Everything outside the system that can exchange energy with it
- 9. Transfer of thermal energy between objects with different temperatures
- 11. Total heat content of a system at constant pressure
- 13. Branch of science dealing with heat, energy, and work
- 18. Energy-rich macronutrients that store long-term energy in the body