21-22 Unit 1 Week 3 Vocabulary - Grade 4

To fall down or cave in crisis collapse substantial unpredictable Something that can cause harm or injury hazard collapse alter unpredictable To make different or change hazard severe alter substantial Great damage or ruin severe alter collapse destruction A difficult or dangerous situation crisis collapse alter substantial Not able to figure out or tell beforehand hazard unpredictable destruction crisis A great amount of something or large size collapse substantial alter unpredictable Very harsh or serious severe hazard collapse substantial