- Water a plant.
Growth can be incredibly suspenseful. Think about it: You plant a seed and you water it. Will it be a stalk of wheat, or a vine of poison ivy? Horror novels from Rosemary’s Baby to The Bad Seed to Carrieand beyond have made use of this simple technique.
Watching a character develop over time can be suspenseful, especially if that character is a child with a pronounced pedigree: a mass murderer’s son conceived during a conjugal visit; a squeaky-clean politician’s daughter. Will this toddler turn out to be a drug-addicted prostitute, or a Nobel laureate?