Practice 1

5th Grade Science:
Cells to Microorganisms
What do we call the basic unit of structure
and function in all living things?
Cell
What do we call a group of tissues that work
together to perform a certain function?
Organ
What do we call a tool that makes small
objects appear larger?
Microscope
What do we call part of a cell that performs
certain functions?
Organelle
What do we call a group of cells that work
together to perform a certain function?
Tissue
What do we call an organism with one cell that
performs all functions necessary for survival?
Single-cell organism
What do we call an organism made up of one or
more cells each performing a specific function?
Multi-cell organism
What do we call an organism that is too small to be
seen with the unaided eye?
Microorganism
What do we call microorganisms that cause
disease or illness?
Harmful microorganisms
What do we call helpful organisms that help produce
certain foods, medicines, aid in digestion, decay matter,
and produce oxygen?
Beneficial microorganism
What do we call a certain type of microorganism?
Bacteria
What do we call a living thing?
Organism
What do we call a microorganism that can be harmful (skin diseases,
kills crops, spoils food) or beneficial (decomposes matter, some are
edible as in yogurt, cheese, and mushrooms, and used in producing
some medicines like penicillin?)
Fungi
What do we call a group of organs that work together to do
a job for the body?
Organ system
What do we call a kind of fungus?
Mold
What do we call a single-celled organism that shares traits
with plants or animals?
Protist