Everything you need to understand or teach Children of Time by Adrian Tchaikovsky.
Children of Time is a science fiction novel sent thousands of years in the future. Humanity has been nearly annihilated and the attempts to colonize other planets has failed. A few survivors travel in search of one of these failed projects: a planet terraformed just for them. However, they are shocked to find a new and terrifying super race of spiders that has already made the planet their own. Children of Time focuses on mistrust in science, forced evolution, and false godhood.