Answer:
Step-by-step explanation:
Part 2: Energy Engineers
For each part (Evaporative cooler, Woodburning heater, Steam engine), determine if it's an endothermic or exothermic process.
An endothermic process absorbs heat from its surroundings.
An exothermic process releases heat into its surroundings.
Part 3: Runaway Train
Describe how each tool can help your train design. For example:
Steam Engine: Provides power to the train.
Train car: Carries cargo.
Spring: Could be used for suspension or propulsion.
Helium balloon: Could potentially lift the train.
Wood-burning heaters: Could provide additional heat for a steam engine.
Evaporative coolers: Could help regulate temperature.
Design Ideas
Describe three design ideas for your train, considering the design limitations mentioned. For example:
Use a helium balloon to lift the train over obstacles.
Utilize a strong spring for better suspension.
Incorporate wood-burning heaters to increase steam engine efficiency.
Data
Record the results of each test run for each train on their respective tracks.
Describe any changes you make to your train between test runs to improve your design.
Analyze Data and Conclusion
Discuss whether any of your train designs were able to reach the station without crashing. If yes, describe the design of one successful train.
Explain the benefits of using repeated trials and replication in a scientific investigation. This is about ensuring the reliability and consistency of your results.
Reflect on which train track presented the most challenge to getting the train to the station. Describe the difficulties you encountered.
Explain how endothermic reactions differ from exothermic reactions. Endothermic reactions absorb heat from their surroundings, while exothermic reactions release heat into their surroundings.
Feel free to provide more specific details or questions if you need further assistance with any particular part of your lab report.