Lesson 1 - Units of Measurement


Length; Area; Volume; Angles; Time; Speed and velocity; Mass and weight; Force; Work and power; Pressure; Temperature; Electricity

Learning Objectives:
– Identify various units of measurement.
– State the definition of the joule, the coulomb, and the horsepower
– Explain how to calculate pressure.
– Explain the difference between mass and weight.
– Demonstrate how to measure the volume of an object.
– Explain the difference between the Celsius scale and the Fahrenheit scale.

Lesson 2 - Metric Measurement


Length, area, volume; Mass; Frequency; Speed and velocity; Acceleration; Force and weight; Work, energy, and power; Temperature; Current; Light

Learning Objectives:
– List the seven base units in the SI (metric) system.
– Name three derived units.
– Define work and power in SI units.
– Explain what power is and how it is measured.
– Name two metric measuring instruments and their U.S. Standard equivalents.

Lesson 3 - Linear Measurement


Units; Measurement error; Tolerances; Scales and rules; Scribers and dividers; Bevel gauge; Calipers; Combination square; Using a micrometer

Learning Objectives:
– List five units used for making linear measurements.
– Demonstrate how to use a micrometer.
– Explain what each head of a combination square is used for.
– State the definition of parallax error.
– Define the different types of tolerance.

Lesson 4 - Comparison and Surface Measurement


Gauge blocks; Measuring screw threads, radius, surface texture; Hardness testing; Testing surface coatings; Detecting defects

Learning Objectives:
– Explain the difference between a continuous dial and a balanced dial on a dial indicator.
– State the definition of pitch on a screw.
– Name two hardness tests.
– Explain why nondestructive testing is preferable to destructive testing on surface coatings.

Lesson 5 - Measuring Bulk Materials


Storing and handling bulk solids; Conveyors; Measuring area, volume, weight, mass, density; Measuring lumber

Learning Objectives:
– Explain why weight-density and the angle of repose are important to workers who handle and store loose bulk material.
– Name the two types of conveyors and list three specific examples of each type.
– Name the three basic measurements of bulk materials.
– Demonstrate how to find the radius of a circle, given its area, and how to find the area of a circle, given its circumference.
– Demonstrate how to convert a typical order of lumber into board feet.

Lesson 6 - Measuring Motion


Relative motion; Displacement; Velocity; Acceleration; Average and instantaneous values; Motion on a curved path; Graphs of motion

Learning Objectives:
– Name the three measurements of motion.
– State the definition of speed.
– Explain the difference between average and instantaneous velocity.
– Demonstrate how to interpret a graph of motion.
– Explain of the velocity of an object is shown on a graph of motion.

Lesson 7 - Measuring Forces


How forces act; Combining forces; Force and torque measurement; Analyzing forces

Learning Objectives:
– Name both the metric and the U.S. Standard units of measurement for force, mass, and acceleration.
– State the definition of force.
– Demonstrate how to calculate torque.
– State an advantage of using a balance instead of a scale.
– Demonstrate how to draw a force diagram.

Lesson 8 - Measuring Temperature


Temperature and heat; Temperature-sensing materials; Thermometers; Pyrometers; Response time and accuracy

Learning Objectives:
– Explain the difference between heat and temperature.
– Name four different scales for measuring temperature.
– Explain the use of heat-sensitive pellets, crayons, and paints.
– Explain how Bourdon tubes work.
– Explain how a pyrometer works.

Lesson 9 - Measuring Fluids


States of matter; Measuring liquid level, viscosity, flow rate, volume of flow, specific gravity, pressure, humidity, density

Learning Objectives:
– State the definition of a fluid.
– Describe how liquids differ from gases.
– List the instruments used to measure the level of water.
– Name two instruments that measure the flow of fluids, and explain how they work.

Lesson 10 - Measuring Electricity


Electricity; Electric circuits; Electrical units; Measuring current, potential difference, resistance, power; AC and DC measurements

Learning Objectives:
– List the parts of an atom.
– Define potential difference.
– Identify a wattmeter.
– Describe the difference between alternating current and direct current.
– Describe the difference between an ohmmeter and an ammeter.