Inquiry experiment: (8) Explore whether the gas exhaled by human body contains carbon dioxide. (9) Explore whether light has an effect on seed germination.
Understand the basic structure of the microscope, make temporary loading, and observe the loading with the microscope: (7) Understand the structure of the microscope. (3) the magnification of the microscope.
Observe the assembly of motor neurons with microscope. (2) making temporary packaging of yeast. (6) making epidermal cells of onion scale leaves into temporary slices. (1) Make temporary slices of pulp cells on the surface of cucumber.
(1 1) Observe tomato pulp cells with a microscope. (12) human oral epithelial cells were observed under the microscope.