Science Unit 4 — Data Science ⏱ ~40 min Unit Quiz

Unit Quiz

Test everything you have learned across all 15 lessons. This cumulative quiz covers the entire unit with 15 multiple-choice and 5 short-answer questions.

📝
L1: What Counts as Scientific Data?L2: Qualitative and Quantitative ObservationsL3: Variables and Fair TestingL4: Designing Reliable Data TablesL5: Choosing the Right GraphL6: Identifying Patterns and TrendsL7: Outliers, Anomalies and Measurement ErrorL8: Accuracy, Precision and Repeated TrialsL9: Using Spreadsheets to Organise DataL10: Interpreting Graphs in ScienceL11: Claims, Evidence and ReasoningL12: Evaluating Data QualityL13: Communicating Findings ClearlyL14: Mini Data InvestigationL15: Unit Synthesis and Depth Study Preparation

Multiple Choice (15 questions)

1. Which is the best example of scientific data?

AThe flower smells nice
BThe flower is red and 8 cm wide
CI think the flower is pretty
DThe flower looks healthier than yesterday

2. Which is an example of qualitative data?

AThe plant grew 5 cm
BThe solution has a mass of 250 g
CThe gas has a sharp, bitter smell
DThe reaction took 30 seconds

3. In an experiment to test how exercise affects heart rate, what is the independent variable?

AHeart rate
BType of exercise
CAge of participant
DTime of day

4. Where should units be placed in a scientific data table?

AIn every data cell
BOnly in the title
CIn the column headings
DAt the bottom of the table

5. Which graph type is best for showing how a plant's height changes over four weeks?

ABar graph
BPie chart
CLine graph
DScatter plot

6. Which phrase best describes a direct relationship?

AAs one variable increases, the other decreases
BAs one variable increases, the other also increases
CBoth variables stay the same
DThe variables show no connection

7. Which is most likely to cause a systematic error?

AA draught in the room
BA stopwatch that runs slow
CA student misreading one measurement
DDifferent people timing the same event

8. Which statement best defines precision?

AHow close a measurement is to the true value
BHow close repeated measurements are to each other
CHow fast an experiment can be completed
DHow expensive the equipment is

9. What is the main purpose of using cell references in spreadsheet formulas?

ATo make the formula look longer
BSo the calculation updates automatically when data changes
CTo confuse other users
DTo save typing

10. What does interpolation involve?

AExtending a graph beyond the data range
BEstimating a value between two known data points
CChanging the scale of the axes
DCreating a new graph from raw data

11. Which component of a scientific argument explains why the evidence supports the claim?

AThe claim
BThe evidence
CThe reasoning
DThe hypothesis

12. Which best describes valid data?

AData that is consistent when repeated
BData that measures what it claims to measure
CData collected by a famous person
DData that supports your hypothesis

13. Which section of a scientific report tells others how to repeat the experiment?

AAbstract
BMethod
CDiscussion
DConclusion

14. What is the first step in any scientific investigation?

AMaking a graph
BWriting a conclusion
CAsking a clear, testable question
DBuying equipment

15. What distinguishes a depth study from a regular practical lesson?

AIt is shorter
BIt requires independent design and management of the investigation
CIt does not need a hypothesis
DIt only involves reading

Short Answer (5 questions)

SA1

Describe two differences between objective and subjective information, and give an example of each. (4 marks)

Write your answer in your book.
SA2

Design a data table for an experiment that tests how different surfaces affect the distance a toy car travels. Include space for three repeats. (4 marks)

Hint: Identify the independent and dependent variables first.

Write your answer in your book.
SA3

Distinguish between systematic and random errors, giving an example of each and explaining how a scientist would address each type. (5 marks)

Write your answer in your book.
SA4

Describe the process of interpreting a line graph, from reading the axes to drawing a supported conclusion. (5 marks)

Write your answer in your book.
SA5

Describe the purpose of each section in a standard scientific report and explain how the sections work together to communicate findings. (5 marks)

Write your answer in your book.
🎮

Test Your Knowledge

Put your unit knowledge to the test! Jump through all the quiz questions in game form.

Play Game

Mark this unit quiz as complete

Tick the box when you have finished the questions and played the game.

← Unit Overview