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  1. Bacteria are tiny little organisms that are everywhere around us. We can't see them without a microscope because they are so small, but they are in the air, on our skin, in our bodies, in the ground, and all throughout nature.

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      Kids take a quiz on Biology: Bacteria. Practice science...

  2. Bacteria are small organisms, or living things, that can be found in all natural environments. They are made of a single cell . Most bacteria can be seen only with a microscope.

  3. Growing bacteria in agar is a great way to teach children about bacteria, disinfectants, and antiseptics. Use the printable for elementary, middle, and high school. Request our special high school insert too.

  4. Bacteria: Growth Phases Grade: 5 - 12 Learn about bacterial colonies and their four phases of growth: the lag phase, the log phase, the stationary phase, and the death phase.

  5. This science primary resource introduces children to the bacteria living on and inside our bodies. Discover fascinating facts and incredible images of the most common bacteria that call the human body home.

  6. Find free pictures, photos, diagrams, images and information related to a wide range of different biology topics right here at Science Kids. Photo description: An artists drawing of different types of bacteria. Drawn in black and white with some limited shading, these bacteria include cocci, spirilla and bacilli.

  7. Help children understand that bacteria is ALL AROUND US by growing your own bacteria cultures in a petri dish with this fun STEM activity for kids.

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