True or False: Bacteria can be seen with a microscope.
True
True or False: Most bacteria are helpful.
True. Most bacteria do not cause disease. Instead, they help with digestion, make food, and break down waste in nature.
True or False: COVID-19 is caused by harmful bacteria.
False. COVID-19 is a virus.
True or False: Scientists have found bacteria on Mars.
False. No bacteria have been found on Mars yet, but scientists are still searching for signs of life.
How many main bacteria shapes are there?
Three main shapes.
Name two foods made with the help of good bacteria.
Yogurt, cheese, pickles, kimchi, or sourdough bread. Bacteria help these foods by breaking down sugars and producing acids that change the texture and flavor.
Name two illnesses caused by harmful bacteria.
Strep throat, food poisoning, pneumonia, or tuberculosis, cholera
Congratulations! You have FREE POINTS.
There is no question but you can still get the points.
What do you call bacteria that looks like this?
Rod-shaped bacteria.
What do bacteria do in our stomachs?
Bacteria in our digestive system help digest food and fight harmful bacteria.
What is the scientific name for harmful bacteria? Hint: Starts with P.
Pathogens. Pathogens are bacteria that cause diseases in humans, animals, or plants.
What are probiotics?
Probiotics are helpful bacteria that live in our gut and help with digestion.
What do you call bacteria shaped like this?
Spiral-shaped bacteria.
What is the process where helpful bacteria are used to preserve food?
Fermentation
Helpful bacteria break down sugars and produce acids that prevent food from spoiling. This process is used to make foods like pickles, yogurt, and kimchi.
How can we make sure our food is safe from harmful bacteria?
By washing our hands, cleaning food properly, and cooking food at the right temperature. This helps kill bacteria that could make us sick.
How is bacteria different from viruses?
Bacteria are living and viruses are not living.
Cocci is the scientific term for which shape of bacteria?
Round-shaped or sphere-shaped bacteria.
How do you turn a cucumber into a pickle using bacteria?
Step 1: Place cucumbers in a jar with water and salt (called brine).
Step 2: Add helpful bacteria or let natural bacteria grow.
Step 3: Bacteria break down the sugars in cucumbers and produce lactic acid.
Step 4: Lactic acid makes the cucumbers sour and stops bad bacteria from growing.
Step 5: After a few days or weeks, the cucumbers become pickles!
What is the name of the medicine used to treat bacterial infections?
Antibiotics. Doctors prescribe antibiotics to kill harmful bacteria when people have bacterial infections.
How do bacteria reproduce?
One bacteria splits into two. It's called binary fission.