What are the comprehensive practical activities of mathematics temperature in grade four?

Thermometers, sensors and thermometers. Mathematics temperature in the fourth grade is one of the curriculum items for primary school students. Comprehensive practical activities include thermometers, sensors and thermometers. Comprehensive practice is the content of individuality, experience and reflection in modern education, which is different from traditional education's unilateral pursuit of individual development, individuality and knowledge. Comprehensive practice provides a relatively independent learning ecological space, and students are the leaders of this space. Students have absolute control and dominance over the whole activity, which can be self-centered or team-centered.