Science for Kids: Bacteria

How many cells do bacteria have?

• One
• Two
• Three
• Hundreds
• Thousands

What are pathogens?

• Bacteria that help us digest our food.
• Bacteria that break down material.
• Bacteria that help our immune system.
• Bacteria that can cause disease.
• All of the above.

What do we use to fight off bad bacteria that can make us sick?

• Aspirin
• Decomposers
• Antibiotics
• Advil
• Pathogens

All bacteria are bad for us and make us sick.

• True
• False

What kind of bacteria help to break down dead animals and plants in the soil?

• Pathogens
• Antibiotics
• Aerobic
• Nitrates
• Decomposers

Rhizobium bacteria helps to fertilize the soil with what element?

• Oxygen
• Phosphorus
• Carbon
• Nitrogen
• Sulfur

Bacteria is used in making which of the following foods?

• Yogurt
• Cheese
• Pickles
• Soy Sauce
• All of the above

What is the scientific name for a bacteria cell?

• Erythrocyte
• Prokaryote
• Eukaryote
• Osteoclast
• Microglial

Which of the following is NOT part of a bacteria cell?

• Nucleus
• Ribosome
• Cytoplasm
• Mesosome
• Chromosome

There are typically around 40 million bacteria in a gram of soil.

• True
• False