Identify the energy transformations for the following scenarios. 13. eating a pizza $$ \rightarrow $$ running a mile 14. charging a battery in a car $$ \rightarrow $$ driving to New Orleans 15. burning gasoline $$ \rightarrow $$ power plant $$ \rightarrow $$ my iPhone ringing 16. nuclear fission $$ \rightarrow $$ nuclear power plant $$ \rightarrow $$ turning my house lamp on Give your own example of the following energy transformations. 17. chemical $$ \rightarrow $$ electrical $$ \rightarrow $$ thermal 18. mechanical $$ \rightarrow $$ sound 19. chemical $$ \rightarrow $$ mechanical 21. What are the 5 types of kinetic energy? What are the types of potential energy?

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Let's break down the energy transformations for each scenario step by step.

### Energy Transformations

**13. Eating a pizza $$ \rightarrow $$ running a mile**
- **Chemical Energy**: The energy stored in the food (pizza) is in the form of chemical energy.
- **Kinetic Energy**: When you run a mile, the chemical energy from the pizza is converted into kinetic energy, which is the energy of motion.

**14. Charging a battery in a car $$ \rightarrow $$ driving to New Orleans**
- **Electrical Energy**: When you charge the battery, electrical energy is stored in the battery.
- **Chemical Energy**: The battery stores this electrical energy as chemical energy.
- **Kinetic Energy**: When you drive, the chemical energy in the battery is converted back into electrical energy, which powers the motor, resulting in kinetic energy as the car moves.

**15. Burning gasoline $$ \rightarrow $$ power plant $$ \rightarrow $$ my iPhone ringing**
- **Chemical Energy**: The gasoline contains chemical energy.
- **Thermal Energy**: Burning gasoline releases thermal energy.
- **Mechanical Energy**: This thermal energy is used to produce mechanical energy in a power plant (e.g., turning turbines).
- **Electrical Energy**: The mechanical energy is converted into electrical energy, which is then used to power devices like your iPhone.
- **Sound Energy**: When your iPhone rings, electrical energy is converted into sound energy.

**16. Nuclear fission $$ \rightarrow $$ nuclear power plant $$ \rightarrow $$ turning my house lamp on**
- **Nuclear Energy**: Nuclear fission releases nuclear energy.
- **Thermal Energy**: This energy is converted into thermal energy in a nuclear power plant.
- **Mechanical Energy**: The thermal energy is used to produce mechanical energy (e.g., steam turning turbines).
- **Electrical Energy**: The mechanical energy is converted into electrical energy, which powers your house lamp.

### Own Examples of Energy Transformations

**17. Chemical $$ \rightarrow $$ Electrical $$ \rightarrow $$ Thermal**
- Example: A battery (chemical energy) powering a heater (electrical energy) that produces heat (thermal energy).

**18. Mechanical $$ \rightarrow $$ Sound**
- Example: A guitar string being plucked (mechanical energy) produces sound waves (sound energy).

**19. Chemical $$ \rightarrow $$ Mechanical**
- Example: A car engine burning fuel (chemical energy) to move the pistons (mechanical energy).

### Types of Energy

**21. Five Types of Kinetic Energy:**
1. **Mechanical Energy**: Energy due to motion (e.g., a moving car).
2. **Thermal Energy**: Energy related to the temperature of an object (e.g., molecules moving in a hot substance).
3. **Sound Energy**: Energy produced by vibrating sound waves (e.g., music from a speaker).
4. **Electrical Energy**: Energy from the movement of electrons (e.g., electricity flowing through wires).
5. **Radiant Energy**: Energy carried by electromagnetic waves (e.g., light from the sun).

**Types of Potential Energy:**
1. **Gravitational Potential Energy**: Energy stored due to an object's position in a gravitational field (e.g., a rock at the top of a hill).
2. **Elastic Potential Energy**: Energy stored in elastic materials as the result of their stretching or compressing (e.g., a compressed spring).
3. **Chemical Potential Energy**: Energy stored in the bonds of chemical compounds (e.g., energy in food or fuel).
4. **Nuclear Potential Energy**: Energy stored in the nucleus of an atom (e.g., energy released during nuclear fission or fusion).
**Energy Transformations:** 1. **Eating a pizza $$ \rightarrow $$ running a mile** - **Chemical Energy** (pizza) $$ \rightarrow $$ **Kinetic Energy** (running) 2. **Charging a battery in a car $$ \rightarrow $$ driving to New Orleans** - **Electrical Energy** (charging) $$ \rightarrow $$ **Chemical Energy** (battery) $$ \rightarrow $$ **Kinetic Energy** (driving) 3. **Burning gasoline $$ \rightarrow $$ power plant $$ \rightarrow $$ my iPhone ringing** - **Chemical Energy** (gasoline) $$ \rightarrow $$ **Thermal Energy** (burning) $$ \rightarrow $$ **Mechanical Energy** (power plant) $$ \rightarrow $$ **Electrical Energy** (iPhone) $$ \rightarrow $$ **Sound Energy** (ringing) 4. **Nuclear fission $$ \rightarrow $$ nuclear power plant $$ \rightarrow $$ turning my house lamp on** - **Nuclear Energy** (fission) $$ \rightarrow $$ **Thermal Energy** (power plant) $$ \rightarrow $$ **Mechanical Energy** (turbines) $$ \rightarrow $$ **Electrical Energy** (house lamp) **Own Examples:** 1. **Chemical $$ \rightarrow $$ Electrical $$ \rightarrow $$ Thermal** - **Example:** A battery (chemical energy) powers a heater (electrical energy) producing heat (thermal energy). 2. **Mechanical $$ \rightarrow $$ Sound** - **Example:** A guitar string being plucked (mechanical energy) produces sound waves (sound energy). 3. **Chemical $$ \rightarrow $$ Mechanical** - **Example:** A car engine burning fuel (chemical energy) moves the pistons (mechanical energy). **Types of Energy:** 1. **Kinetic Energy:** - Mechanical - Thermal - Sound - Electrical - Radiant 2. **Potential Energy:** - Gravitational - Elastic - Chemical - Nuclear

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