TINY WORLD (Microscopes & Microbes)
What tool do scientists use to see tiny things that are too small for our eyes?
A microscope
Louis Pasteur was a scientist who studied tiny organisms called ______.
Germs/microorganisms.
True or False:
Every germ is bad.
False.
Probiotics are tiny ______ that can help our bodies.
Good bacteria.
What are living things made of?
Cells.
What are tiny living things that we cannot see with our eyes called?
Microorganisms
Before Louis Pasteur’s discoveries, many people did not know germs could make people what?
Sick
Your stomach has bacteria that in your body. Are these bacteria heroes or villains?
Heroes/helpful bacteria.
You eat yogurt. What helpful microorganisms are you eating? Probiotics or Prebiotics?
Probiotics
Which cell part is like the “security guard” because it controls what enters and leaves the cell?
Cell membrane.
Which scientist would most likely use a microscope?
A. A microbiologist studying bacteria
B. A chef cooking dinner
C. A singer performing a song
A. A microbiologist studying bacteria
If you were Louis Pasteur, what tool would you use to investigate tiny germs?
A microscope.
A friend sneezes into their hand and touches a door handle. What might happen?
Germs can spread to the door handle.
Name one (1) prebiotic and one (1) probiotic.
- Prebiotics -
🍌 Bananas
🧅 Onions
🧄 Garlic
🌾 Oats
🍎 Apples
🥕 Carrots
🫘 Beans
🥦 Broccoli
🌽 Corn
🍠 Sweet potatoes
- Probiotics -
🥣 Yogurt with live cultures
🥒 Pickles (fermented)
🧀 Some cheeses
🥛 Buttermilk
If you were a cell. What part would be your “brain”?
Nucleus
Microorganisms can be found in:
A. Soil
B. Water
C. Our bodies
D. All of the above
D. All of the above
Louis Pasteur worked with which common drink to make it safer?
A. Milk
B. Juice
C. Water
B. Milk
Which action helps protect us from harmful germs?
A. Washing hands
B. Sharing dirty tissues
C. Never cleaning surfaces
Washing hands.
Which food would be most likely to help your helpful bacteria grow?
A. Fruits and vegetables
B. Chicken
C. A toy
A. Fruits and vegetables
What is the powerhouse of the cell?
Mitochondria.
You discover a tiny organism under a microscope. What are TWO things you could observe about it?
It's shape, size, movement, or colour.
Milk can spoil because of tiny microorganisms. What did Pasteur discover that helped make milk safer?
Heating milk (pasteurization).
A scientist discovers bacteria that help make cheese. Is this bacterium helpful or harmful and why?
Helpful because it helps make food.
Which organ in your body can good bacteria be found?
Stomach/Intestines.
What is the jelly-like material inside a cell called that many cell parts float around in?
Cytoplasm.