Curious is related to Interest. Interest is related to Cool. Cool is a type of Change. 
Scary is related to Shock. Shock is a type of Earthquake. Earthquake is related to Magnitude. Magnitude is related to Size. 
Curious <--RelatedTo--> Interest <--RelatedTo--> Cool --IsA--> Change 
Scary <--RelatedTo--> Shock --IsA--> Earthquake <--RelatedTo--> Magnitude <--RelatedTo--> Size 