There are many theories about different learning styles. The document discusses Howard Gardner's Theory of Multiple Intelligences which suggests that people have different types of intelligences such as musical, bodily, nature, logical, linguistic, interpersonal, intrapersonal, and visual intelligences. Teachers can use knowledge of students' intelligences to plan lessons incorporating engaging activities like listening activities for music smart students, roleplay for body smart students, experiments for nature smart students, and group work for people smart students.