1
Q
What is a scalar quantity?
A
A scalar quantity has a size or magnitude but no specific direction e.g. mass, speed, distance, energy, temperature
2
Q
What is a vector quantity?
A
Vector quantities have a size or magnitude and a specific direction e.g. force, weight, velocity, displacement, acceleration, momentum
Physics
flashcards
Decks in class (49)
# Cards
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Motion2
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Forces19
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Waves9
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EMS5
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Radiation16
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Space6
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Work and power1
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Electrical circuits8
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Static electricity6
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Magnetic fields2
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Determining speed2
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Newton's first law2
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Newton's second law2
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Weight and mass3
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Circular motion3
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Momentum and force3
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Newton's third law2
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Human reaction time2
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Stopping distance5
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Energy stores and transfers3
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Efficient heat transfer2
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Patterns of energy use1
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Waves and boundaries4
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Sound waves and the ear4
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Unltrasound and infrasound3
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Sound wave calculations2
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Total internal reflection3
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Colour of an object3
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Lenses and power4
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Real and virtual images5
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Investigating refraction3
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Wave behaviour4
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Temperature and radiation5
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Thermal energy and surfaces2
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Dangers and uses7
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Changes and radiation2
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Atoms, electrons and ions2
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Ionising radiation4
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Background radiation2
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Measuring radioactivity2
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Models of the atom3
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Beta decay3
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Uses of radiation3
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Dangers of radiation2
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Contamination and irradiation2
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Medical uses4
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Nuclear power stations1
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Theories about the Universe3
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Observing the universe2
