The Cell Theory

Learn Cell Theory basics! Discover cells as the building blocks of life and their origins in this fun worksheet.

Watch this video to learn about Cell Theory. Then answer all of the questions below. Click on the blank and choose the correct answer for the missing word(s). Cells are the building blocksof all living things. All organismsare made up of cells. All cells come from other livingcells. All plants and animalsare made up of cells. Cells are made up of elementsincluding carbon and oxygen. Match the term to the concept it best describes. Cell Basic unit of life Organisms Living things New cells Can only be produced from older cells Use the graphic organizer above to answer the following questions.The cell is the smallest part of a human that is still _. an element living a theory an egg Cells can only be produced by other _. animals other cells plants universes A living thing has to have one or more _. cycles organisms units cells Living or Non-living Decide whether each of the following is a living thing, or a non-living thing. Remember, all living things are made up of cells. Living bacteria animals plants starfish mushroom blood cells Nonliving water sand soil clouds atoms plastic