Microorganisms
Explore the world of tiny living things.
General curriculum — a grade-specific version for Grade 3 is in development.
1
What are microorganisms
Describe microorganisms.
Free
2
Bacteria
Describe characteristics of bacteria.
Free
3
Viruses
Describe characteristics of viruses.
Free
4
Fungi
Describe characteristics of fungi.
Free
5
Protists
Describe characteristics of protists.
Free
6
Helpful microorganisms
Describe beneficial microorganisms.
Premium
7
Harmful microorganisms
Describe harmful microorganisms.
Premium
8
Microscopes
Describe how microscopes reveal microorganisms.
Premium
9
Microorganisms and disease
Describe how microorganisms cause disease.
Premium
10
Microorganisms review
Apply microorganism concepts.
Premium