First topic

Particle: solid , liquid and gas

Also Bunsen burner , independent variable , dependent variables and control variable and solubility

Second topic : Energy ( 9 types of energy in the universe , energy in food , energy transfer , nuclear energy , renewable and non-renewable energy and circuit

Third topic : cells ( animal and plant cell , type of cell and cells in a human body

Fourth topic : reproduction , puberty effect and how baby is formed

Menstrual cycle

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