TURN YOUR MIND on to Micro Organisms Good and Bad TURN YOUR MIND on to Micro Organisms

Vocabulary Micro-Organism Virus Bacteria Mould Fungus Disease Germs These are the key terms that you will need to learn in order to understand Micro-Organisms. Micro-Organism Virus Bacteria Mould Fungus Disease Germs Harmful Beneficial Microscope

What are micro-organisms? Micro-organisms are very tiny living things. They are so small that you need a microscope to see them. Viruses, bacteria and fungus are all types of micro-organism. Micro-organisms that cause diseases are often called germs. Micro-organisms are all around us, in the air, in our bodies and in water. Some micro-organisms are harmful to us, but others are helpful to us.

Harmful micro-organisms Some diseases, like chickenpox, are caused by viruses. Diseases caused by viruses usually spread easily from one person to another. Uncooked foods (especially meat) can contain bacteria. The bacteria are killed when the food is cooked properly. But if you eat food that has not been cooked properly, the bacteria may survive and make you feel very ill. Mold is a type of micro-organism that grows on decaying food. It can make you ill if you eat it.

LET US RECAP…. What are the three Harmful Micro Organisms?

Harmful micro-organisms HOW CAN YOU AVOID SPREADING HARMFUL MICRO-ORGANISMS? You can avoid spreading harmful micro-organisms by: washing your hands before eating, after preparing food and after using the toilet. covering your mouth when you cough or sneeze. keeping away from other people if you have a disease that is easily spread. not eating food which is not fresh or has not been cooked properly. keeping uncooked meat separate from other foods in the fridge.

Helpful micro-organisms Here are some examples of helpful micro-organisms. When bread is made, a micro-organisms called yeast is added to the dough to make the bread rise. Yogurt is made by boiling milk and adding special bacteria to it. The bacteria turn the sugar in the milk into acid. The acid makes the milk go thick and stops any harmful bacteria growing. Inside a pile of dead leaves are millions of tiny bacteria. These bacteria feed on the leaves and break them down into nutrients. The nutrients go back into the soil where they can be used by plants.

LET US RECAP…. What are the the HELPFUL Micro Organisms, and what do they do?

TEST YOUR UNDERSTANDING Most Micro-Organisms cannot be seen without a ____________________. Which of these is not true about Micro-Organisms: a. They are all harmful b. They feed and grow c. They reproduce Yeast is used for ___________________________. Why should cooked and uncooked foods be stored separately? Because bacteria only likes cooked food Because bacteria only likes uncooked food To stop bacteria from spreading from one to another Which of these is not caused by a Micro-Organism: Measles Tooth Decay A Sprained Ankle

TEST YOUR UNDERSTANDING Which of these Micro-Organisms is useful? Bacteria that decomposes leaves Salmonella Chicken Pox Virus Which of these Micro-Organisms is harmful? Yeast Bacteria in Yogurt Fruit Mold Bacteria and Viruses are both types of Micro-Organisms, which is smaller?___________. Which of these is true: Micro-Organisms are all around us Micro-Organisms are only found in the kitchen All Micro-Organism cause illness Cleaning your teeth regularly helps prevent tooth decay because… Micro-Organisms don’t like the taste of toothpaste Brushing removes sugar that Micro-Organisms like to eat. Brushing removes all Micro-Organisms from your mouth

Follow me to on our special fieldtrip to the Microbe Zoo Follow me to on our special fieldtrip to the Microbe Zoo. Here you will get to visit different places where Micro-Organisms live. MICROBE ZOO

Project Learning: You are going to be creating a brochure for the Microbe Zoo. After we take our fieldtrip and explore all of the different areas of the zoo, you will create a brochure for all the tourists that are coming to visit the zoo. Now sit back and get ready for a MICROBE ADVENTURE!!!

Project Guidelines Your brochure will include a section for each of the following exhibits: Dirt Land Animal Pavilion Snack Bar Space Adventure Water World EXHIBITS

What Microbes have you been eating? Project Layout FRONT WATER WORLD Here you will write about the different bodies of water that microbes call home. You must have at least one illustration here! SNACK BAR What Microbes have you been eating? Here you will write the information about what microbes you will find in the “Snack Bar” You can use illustrations in this section as well. COVER PAGE Here you will create an AMAZING EYE CAPTIVATING, ATTENTION GRASPING COVER for your BROCHURE. Use lots of color and imagination so that people will want to look at your brochure. EXHIBITS

Project Layout DIRT LAND ANIMAL PAVILION SPACE ADVENTURES BACK Here you will write about the dirt world that microbes call home. You must have at least one illustration here! ANIMAL PAVILION Here you will write about how animals interact with Microbes and how animals, plants, and fungi depend on microbes for their survival. You will have at least one illustration here! SPACE ADVENTURES Here you will write about any new scientific plans that involve microbes and the microbe life in our atmosphere. You will have at least one illustration here! EXHIBITS

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