Elevation of boiling point
How does adding sugar affect tea's boiling point?
Magnetic fields
Why does a compass needle always point north-south?
Polarization
What does polarization of light mean?
Pressure cooker science
Why does food cook faster in a pressure cooker?
Electromagnetism
How does an electric bell work?
Diffraction
Why does light bend around objects?
What are crystalline and amorphous solids?
Explain the difference between crystalline and amorphous solids with examples.
Short circuits
Why can short circuits be dangerous?
Doppler Effect in Light
How does the Doppler effect apply to light?
Types of crystalline solids
What are the four types of crystalline solids based on forces? Give examples.
Power consumption
Why does a 100W bulb consume more electricity than a 40W bulb?
Photoelectric Effect
How did Einstein explain the photoelectric effect?
What are crystal defects?
Explain point defects in crystals with examples.
Fleming's rules
How do generators and motors relate to Fleming's left-hand and right-hand rules?
Dual Nature of Light
Is light a wave or a particle?
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