Physical Quantities

Physical Quantities

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Are You Very Big? Demo

1. Are You Very Big?

Measurement of length and different dimensions, their units, and use of rulers, measuring tapes, and digital callipers.
3 6 1 1
Lecke multimédia tartalma (1)
Length measurement with a calliper
Unstoppable Time Demo

2. Unstoppable Time

Development of time measurement, determining years, months and days, and the operation of mechanical clocks.
3 7 1 1
Lecke multimédia tartalma (1)
Time measurement
Let’s Measure It

3. Let’s Measure It

Micrometre construction, use and measurement accuracy, the Vernier scale, and fundamentals of precision measurement.
3 4 1 1
Lecke multimédia tartalma (1)
Length measurement with a micrometer
Move Your Body!

4. Move Your Body!

Distance travelled, displacement, the path and trajectory of motion, and methods for measuring displacement.
3 6 1 1
Lecke multimédia tartalma (1)
Displacement measurement
Mass on the Balance

5. Mass on the Balance

Mass, its units, the difference between mass and weight, and the operation of mechanical and electronic balances.
3 5 1 1
Lecke multimédia tartalma (1)
Measurement of mass
Let’s Count the Time

6. Let’s Count the Time

Digital time measurement, quartz oscillators, frequency division, seven-segment displays, and the operation of stopwatches and atomic clocks.
3 6 1 1
Lecke multimédia tartalma (1)
Digital timekeeping
Space in Space

7. Space in Space

Determining volume by calculation, measuring cylinder and liquid displacement, and measuring the volume of liquids and gases.
3 5 1 1
Lecke multimédia tartalma (1)
Volume measurement
How High Does Water Reach?

8. How High Does Water Reach?

Liquid-level measurement using a scale, dipstick, float, and non-contact radar level meter.
3 6 1 1
Lecke multimédia tartalma (1)
Measurement of liquid level
Why Do Boats Float?

9. Why Do Boats Float?

The concept and calculation of density, comparing the densities of solids, liquids and gases.
3 5 1 1
Lecke multimédia tartalma (1)
Density measurement
Sitting in a Swing

10. Sitting in a Swing

Period of a simple pendulum, operation of pendulum clocks and metronomes, and the conical pendulum and orbital motion.
3 4 1 1
Lecke multimédia tartalma (1)
Measurement of the period for a simple and a conical pendulum
From Slow to Fast

11. From Slow to Fast

Velocity and average speed, their units, the speed of light, and methods of speed measurement.
3 5 1 1
Lecke multimédia tartalma (1)
Speed measurement
Dynamism

12. Dynamism

The concepts of acceleration and deceleration, gravitational acceleration, and the operation of different accelerometer sensors.
3 4 1 1
Lecke multimédia tartalma (1)
Acceleration measurement
Shedding Light on Light

13. Shedding Light on Light

Measurement of luminous intensity and illumination, candela and lux, and the operation of photoresistors and light sensors.
3 5 1 1
Lecke multimédia tartalma (1)
Measurement of light intensity
Being Loud

14. Being Loud

Sound intensity, sound frequency and sound pressure, and the operation of microphones and sound level meters measuring in decibels.
3 5 1 1
Lecke multimédia tartalma (1)
Measurement of sound intensity
An Unexpected Turn of Events?

15. An Unexpected Turn of Events?

The concept and measurement of rotational speed, RPM, examination of rotational motion, and the stroboscopic measurement method.
3 6 1 1
Lecke multimédia tartalma (1)
Measuring rotation speed
The Power of the Force

16. The Power of the Force

The concept, unit and direction of force, and the operation of spring, hydraulic and electrical force meters.
3 7 1 1
Lecke multimédia tartalma (1)
Force measurement
Heat is Heat

17. Heat is Heat

Temperature measurement, Celsius and Kelvin scales, and liquid, bimetallic, gas and infrared thermometers.
3 6 1 1
Lecke multimédia tartalma (1)
Temperature measurement
Thermal Contraction & Expansion

18. Thermal Contraction & Expansion

Linear and volumetric thermal expansion, expansion coefficients, bimetals, dilatometers, and practical consequences of thermal expansion.
3 4 1 1
Lecke multimédia tartalma (1)
Measuring the coefficient of thermal expansion
Under Pressure

19. Under Pressure

The concept and units of pressure, liquid and atmospheric pressure, U-tube manometers, and mercury barometers.
3 5 1 1
Lecke multimédia tartalma (1)
Pressure measurement based on the law of hydrostatics
Manometers

20. Manometers

Pressure measurement in liquids and gases, diaphragm manometers, vacuum measurement, and the operation of blood-pressure monitors.
3 5 1 1
Lecke multimédia tartalma (1)
Pressure measurement with a manometer
Stretch Your Legs!

21. Stretch Your Legs!

The concept of strain, strain gauges and rosettes, and different methods of measuring deformation.
3 6 1 1
Lecke multimédia tartalma (1)
Measurement of deflection (elongation)
Up and Down

22. Up and Down

Elastic deformation, spring force and spring constant, and the behaviour of springs connected in series and parallel.
3 6 1 1
Lecke multimédia tartalma (1)
Measurement of spring constant
The Turning Effect

23. The Turning Effect

Torque, lever arm and direction, torque wrenches, levers, and brake-bench torque measurement.
3 5 1 1
Lecke multimédia tartalma (1)
Torque measurement
Go with the Flow!

24. Go with the Flow!

Flow velocity of liquids, its dependence on cross-section, and mechanical, differential-pressure, electromagnetic and ultrasonic measurement.
3 5 1 1
Lecke multimédia tartalma (1)
Measuring the flow velocity of liquids
Airflow

25. Airflow

Measurement of gas flow velocity, anemometers, rotameters, wind-direction indicators, and Pitot-tube velocity measurement.
3 5 1 1
Lecke multimédia tartalma (1)
Measuring the flow rate of gases
Flow on the Scale

26. Flow on the Scale

The concept of volumetric flow rate and its measurement by volumetric, weir and ultrasonic methods, and with water and gas meters.
3 4 1 1
Lecke multimédia tartalma (1)
Measurement of volumetric flow rate
How Strong is the Current?

27. How Strong is the Current?

Electric current: concept, unit, series measurement, soft iron instruments, and overcurrent protection.
3 5 1 1
Lecke multimédia tartalma (1)
Measurement of electric current
Beware of High Voltage

28. Beware of High Voltage

The concept and unit of voltage, parallel voltage measurement, analogue voltmeters, and digital multimeters.
3 6 1 1
Lecke multimédia tartalma (1)
Measuring voltage
Limits and Regulates

29. Limits and Regulates

The concept of electrical resistance, Ohm's law, multimeter measurement, comparison method, and the Wheatstone bridge.
3 6 1 1
Lecke multimédia tartalma (1)
Measuring electrical resistance
Do You Have the Capacity?

30. Do You Have the Capacity?

Electrical capacitance of capacitors, their construction and unit, and analogue and digital capacitance measurement methods.
3 8 1 1
Lecke multimédia tartalma (1)
Capacitance measurement
Self-Induction Factor

31. Self-Induction Factor

Inductance of coils, its unit and construction, and traditional and microcontroller-based inductance measurement.
3 7 1 1
Lecke multimédia tartalma (1)
Measuring inductance
How Powerful is It?

32. How Powerful is It?

The concept and unit of power, calculation of electrical power, and electrodynamic power measurement.
3 5 1 1
Lecke multimédia tartalma (1)
Measurement of power
Near Magnets

33. Near Magnets

Magnetic induction, magnetic field lines, the tesla unit, and measurement using magnetometers and Hall sensors.
3 5 1 1
Lecke multimédia tartalma (1)
Measurement of magnetic field
Let’s Measure Work

34. Let’s Measure Work

The relationship between electrical work and energy consumption, kilowatt-hours, and the operation of induction and digital electricity meters.
3 6 1 1
Lecke multimédia tartalma (1)
Consumption measurement
Alternating Voltage

35. Alternating Voltage

The relationship between frequency and period, the hertz unit, and vibrating-reed frequency-meter and oscilloscope measurements.
3 7 1 1
Lecke multimédia tartalma (1)
Frequency measurement
Just Hard!

36. Just Hard!

Measurement of material hardness using Brinell, Vickers and Rockwell methods, and digital hardness testers.
3 6 1 1
Lecke multimédia tartalma (1)
Hardness measurement
Pull Harder!

37. Pull Harder!

Determining tensile strength with a tensile-testing machine, examination of test specimens, tensile diagram, yield strength, and elastic modulus.
3 5 1 1
Lecke multimédia tartalma (1)
Measuring tensile strength
What’s in the Radiator?

38. What’s in the Radiator?

The concepts of specific heat capacity and heat capacity, calorimetric measurement, water's heat-storage role, and calorific value.
3 6 1 1
Lecke multimédia tartalma (1)
Measuring specific heat
Acidic or Alkaline?

39. Acidic or Alkaline?

Meaning of pH, acidic and alkaline conditions, and pH measurement using indicator paper and potentiometric methods.
3 6 1 1
Lecke multimédia tartalma (1)
Measuring the pH value
Radiantly

40. Radiantly

Radioactive decay and activity, alpha, beta and gamma radiation, the Geiger-Müller counter, and applications of ionising radiation.
3 5 1 1
Lecke multimédia tartalma (1)
Measuring radiation
40 témakör
120 lap
1 önellenőrző teszt
39 teszt
172 kép
40 video 3D
Összes lap megtekintése

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