250 prompts matching "Let me explain: Reading a velocity-time graph"
Let me explain: The factors that determine the size of the force
I have just studied the factors that determine the size of the force in my SS2 Physics cla
Let me explain: Step-up and step-down transformers
I have just studied step-up and step-down transformers in my SS2 Physics class. Let me exp
Let me explain: Atomic number, mass number and isotopes
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Let me explain: The penetrating and ionising power of each radiation
I have just studied the penetrating and ionising power of each radiation in my SS2 Physics
Let me explain: The random nature of radioactive decay
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Let me explain: The earth's magnetic field and what causes it
I have just studied the earth's magnetic field and what causes it in my SS2 Physics class.
Let me explain: Kepler's laws of planetary motion
I have just studied Kepler's laws of planetary motion in my SS2 Physics class. Let me expl
Let me explain: The life cycle of a star
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Let me explain: The expanding universe and red shift
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Let me explain: The nuclear atom and radioactivity reviewed
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Worked example: Calculating charge from current and time
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Exam prep: Gravitational potential energy and escape velocity
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Exam prep: The cloud chamber and the photographic plate as detectors
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Quiz: The decay curve, and reading a half-life from it
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Real-life Nigeria: Eclipses of the sun and of the moon explained
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Practice set: Refraction of light and the change of speed between media
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Spot my mistake: When light is reflected wholly back inside a denser medium
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Exam prep: The camera, and how it compares with the eye
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Real-life Nigeria: Choosing the right optical instrument for a given task
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Quiz: Sound as a longitudinal wave that needs a medium
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