SME
Grade 6 Science · Problem type
What cell theory says
Use this to sort statements that cell theory makes from ones that are not true.
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Does cell theory say this?
Tap a card, then tap its group.
Assumptions
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Robert Hooke named cells in 1665 after looking at thin slices of cork.
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In the 1830s–1850s scientists showed that plants and animals are made of cells, and that cells come from cells.
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Related lessons
Cells as the basic unit of life
Main lesson
Total magnification
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Why cells stay small
Use this to see how a cube’s surface compares with its volume as it grows.