Reading is an important skill for students to acquire knowledge and intellectual growth. There are two main types of reading: reading for pleasure, where the reader chooses what to read, and reading for a specific purpose, where the reader has a goal in mind such as passing a test. Effective reading skills include scanning to find specific information quickly, skimming to get the main ideas of a text, intensive reading to extract details, comprehension to predict what will come next, and critical reading to question biases and viewpoints. Developing vocabulary and understanding context are also important reading skills.