bacteria
DESCRIPTION
Bacteria are a very interesting form of life because of their various shapes and reproductive capabilities. In this session, we'll look at their role in the ecosystem and see examples of them. If you have a microscope, consider looking at prepared slides.TRANSCRIPT
Bacteria
Grade 6 Science Mr. JohnstonSaigon South International School
Lesson Overview
Essential Questions
◼ What are bacteria?◼ How to bacteria get food,
get energy, and reproduce?
◼ What is the role of bacteria in nature?
Vocabulary
◼ Bacteria Parts-▪ Cytoplasm▪ Flagellum
◼ Cellular Respiration◼ Binary Fission◼ Conjugation◼ Decomposer
Picture
Cell Wall-Protects the CellCell Membrane-Thin layers that controls
what goes in and out of the cellCytoplasm-”Gell Like” fluid that moves
materials around inside the cellRibosomes-”Factories” where proteins
are produced. Flagellum-Tail like “flag” that moves
bacteria around.
Definitions
Facts about Bacteria:
◼ Reproduction
◼ Food intake◼ Prokaryotes
◼ Needs….
◼ Domain
◼ Sexually or asexually ( Binary Fission or conjugation)
◼ Hetero. or auto.◼ No nucleus, but may
have a flagellum◼ Oxygen to break
down their food. This is called “Cellular Respiration”
◼ Monera (Bacteria)
Cellular Respiration
The easy definition:“Breaking down food to release energy”
The full definition:Cellular respiration
Some common bacteria shapes:
What are bacteria good for?
◼ Oxygen and food production (try samples)◼ Health maintenance and health production◼ Environmental Cleanup and recycling◼ Did you know?-Most bacteria are helpful in
fighting off bad bacteria, or do not harm you at all!
◼ Did you know: There are millions of bacteria living on your body right now!
Microscope Activity:
◼ Set up your microscope and observe bacteria
◼ Draw what you see on a google drawing
◼ Write about what you see in a textbox. How does the shape help it survive, reproduce?
Lab Activity: Design an Experiment
◼“Comparing surfaces”
◼Which surfaces have the most bacteria?
◼Design an investigation to help answer this question in small groups on your google doc!
Lesson Reflection-With Partner
Essential Questions
◼ What are bacteria?◼ How to bacteria get food,
get energy, and reproduce?
◼ What is the role of bacteria in nature?
Vocabulary
◼ Bacteria Parts-▪ Cytoplasm▪ Flagellum
◼ Cellular Respiration◼ Binary Fission◼ Conjugation◼ Decomposer