The document discusses causes and effects and how to identify them. It provides examples of cause-effect relationships using signal words like "because" and "so." A cause is the part that happens first, while an effect is the outcome that happens second as a result of the cause. The document also includes interactive elements where the reader is prompted to click on the cause or effect in sample sentences. It teaches that asking "What happened first?" identifies the cause, while "What happened second?" reveals the effect.