Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What should you include in your table header when recording raw data?
💡 Hint: Think about what we need to know at a quick glance.
Question 2
Easy
Why is significant figures important in data collection?
💡 Hint: Recall the digital balance example we discussed.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary purpose of organizing raw data?
- To make it look nice
- To understand relationships
- To confuse others
💡 Hint: Recall why we write our data in structured formats.
Question 2
True or False: Uncertainty is not important in scientific measurements.
- True
- False
💡 Hint: Think about how we discussed uncertainty in our data.
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Challenge Problems
Push your limits with challenges.
Question 1
You measure the concentration of a substance and get the following results: 0.25M, 0.22M, 0.24M, and 0.20M. Calculate the average and its uncertainty.
💡 Hint: Review how to calculate means and uncertainties from multiple trials.
Question 2
A dataset shows the temperature increase with the following values (Degree C): 20, 25, 30. The reaction rate corresponding is: 1.0, 1.5, 2.0. Plot a graph and analyze the trend.
💡 Hint: Make sure you look at how to scale axes properly to show your data clearly.
Challenge and get performance evaluation