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Question 23M.3.HL.TZ1.15

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.3.HL.TZ1.15
Level HL Paper 3 Time zone TZ1
Command term Distinguish Question number 15 Adapted from N/A
15.
[Maximum mark: 1]
23M.3.HL.TZ1.15

Distinguish between open stellar clusters and globular stellar clusters.

[1]

Markscheme

open clusters are irregular in shape OR globular clusters are spherical ✓

open clusters have few stars OR globular clusters have many ✓

open clusters have young stars OR globular clusters have old stars ✓

open clusters have active stars OR globular clusters have mostly dead stars ✓

open clusters are less dense OR globular clusters are more dense ✓

 

Open clusters are bigger / have stars further apart is not enough to award the mark.

Globular clusters are round is not enough to award the mark.

Examiners report

Stellar clusters. Prepared students correctly distinguished between open and globular stellar clusters.