Science Knowledge Crossword Puzzle
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QUESTIONS LIST:
- cytoplasm : where most chemical reactions occur
- mitochondria : site of respiration
- nucleus : controls the cell and contains dna
- vacuole : where cell sap is stored
- cell wall : supports plant cells
- chloroplast : site of photosynthesis
- cell membrane : controls what enters and leaves the cell
- ribosome : where proteins are made
- transparent : allows all light to pass through
- refraction : bending of light
- hormone : causes puberty to start
- acid : ph below 7
- neutralisation : reaction between an acid and a base
- insoluble : does not dissolve
- element : one type of atom
- distillation : separating different liquids by their boiling points
- mercury : planet closest to the sun
- neptune : planet with the longest year
- balanced : when forces are equal and opposite
- friction : force that acts in the opposite direction of motion
