Mocks don't measure how much you know. They measure how you behave under pressure. Use them for that.

Scientific Reasoning — quick quiz

5 SZF IOS-pattern questions on Scientific Reasoning. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Easy

A student observes that ice cubes placed in a glass of water gradually decrease in size. Which scientific principle best explains this observation?