约 242,000 个结果
在新选项卡中打开链接
How to Grow Bacteria: 5 Experiments to Grow & Test Bacteria
How to Grow Bacteria in a Petri Dish: 10 Steps (with Pictures)
A Shocking Bacteria Science Experiment: Grow a Germ Farm
Microbiology Science Experiments (37 results) - Science Buddies
Growing Bacteria in Petri Dishes - Steve Spangler
Germ and Bacteria Experiments - Home Science Tools
Growing Bacteria at Home : 9 Steps - Instructables
Growing Bacteria For Science Fairs - ScienceBob.com
Growing bacteria in a petri dish {STEM activity for kids}
Growing Bacteria in Agar Activity with Free Lesson Printable