chloroplast
part of speech
noun (a chloroplast, chloroplasts)
meaning for a pupil
A tiny green part inside plant cells where photosynthesis happens: it uses sunlight to make food (sugar) from water and carbon dioxide, giving off oxygen. tree →
sense in the lessons
In science lessons on cells, chloroplasts are found in plant cells but not animal cells; they contain chlorophyll, the green pigment that makes leaves green. Pupils label them on cell diagrams, together with the nucleus, cell wall and vacuole.
examples
- Chloroplasts make food for the plant using sunlight. tree →
- Plant cells have chloroplasts, but animal cells do not. tree →
- Chloroplasts contain green chlorophyll. tree →
- Under the microscope, we saw green chloroplasts in the leaf cells. tree →
- Photosynthesis happens inside the chloroplasts. tree →
- Label the chloroplast on your cell diagram. tree →
note
Countable: a chloroplast, chloroplasts. chloro = green, plast = formed thing. Trap: chlorophyll is the green chemical; the chloroplast is the tiny part of the cell that holds it. Nothing to do with chlorine except the Greek word for green.
Trees and pragmatics
Every meaning and example of «chloroplast» parsed by Mova, each sentence with its dependency tree and frames.