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Question 18N.3.HL.TZ0.20a

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Date November 2018 Marks available [Maximum mark: 2] Reference code 18N.3.HL.TZ0.20a
Level HL Paper 3 Time zone TZ0
Command term Outline Question number a Adapted from N/A
a.
[Maximum mark: 2]
18N.3.HL.TZ0.20a
(a)

Outline what is meant by dark energy.

[2]

Markscheme

energy filling all space ✔

resulting in a repulsive force/force opposing gravity ✔

accounts for the accelerating universe ✔

makes up about 70% of «the energy» of universe ✔

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