ICAS Interpreting Scientific Data 2

Question 1

A bar graph shows the number of birds observed in a park over four seasons: Spring=45, Summer=30, Fall=52, Winter=18. Which season had the fewest bird observations?

Accepted Answer

Winter

Answer

Winter had the lowest count at 18 birds observed.

Question 2

A scientist records water temperature at noon each day for a week: 18°C, 19°C, 17°C, 21°C, 20°C, 16°C, 22°C. What is the range of temperatures recorded?

Accepted Answer

6°C

Answer

The range is 22°C − 16°C = 6°C.

Question 3

A line graph shows plant height increasing steadily from Week 1 to Week 4, then remaining flat from Week 4 to Week 6. What does the flat portion of the graph indicate?

Accepted Answer

Growth stopped during that period

Answer

A flat line means no change in height, indicating growth paused.

Question 4

Two students measure the length of the same stick. Student A records 24.3 cm and Student B records 24.7 cm. What is the difference between their measurements?

Accepted Answer

0.4 cm

Answer

24.7 − 24.3 = 0.4 cm difference between the two measurements.

Question 5

A table shows that three soil samples have the following pH levels: Sample A=6.2, Sample B=7.0, Sample C=7.8. Which sample is most acidic?

Accepted Answer

Sample A

Answer

Lower pH values indicate greater acidity, so Sample A at pH 6.2 is most acidic.

(ICAS) ICAS Practice Test

(ICAS) ICAS Practice Test

ICAS Interpreting Scientific Data 2