# Demonstrate various types of measuring.

## Definition

Demonstration may include using ruler, thermometer, micrometer, and Volt-Ohm-Milliammeter (VOM). Measuring may include U.S. customary, metric, and other ways of measuring distance, volume, area, and weight.## Process/Skill Questions

- What is measurement?
- What are the basic units of measurement?
- What is a fraction?
- What does the denominator of a fraction represent?
- What does the numerator of a fraction represent?
- What types of tools and units would be used to measure distance? Thickness? Voltage? Temperature? Altitude?
- What led to the development of measurement systems?

## Related Standards of Learning

## Mathematics

### 6.2

The student will

- represent and determine equivalencies among fractions, mixed numbers, decimals, and percents; and
- compare and order positive rational numbers.

### 6.7

The student will

- derive π (pi);
- solve problems, including practical problems, involving circumference and area of a circle; and
- solve problems, including practical problems, involving area and perimeter of triangles and rectangles.

### 6.9

The student will determine congruence of segments, angles, and polygons.

### 7.4

The student will

- describe and determine the volume and surface area of rectangular prisms and cylinders; and
- solve problems, including practical problems, involving the volume and surface area of rectangular prisms and cylinders.

### 7.5

The student will solve problems, including practical problems, involving the relationship between corresponding sides and corresponding angles of similar quadrilaterals and triangles.

### 8.6

The student will

- solve problems, including practical problems, involving volume and surface area of cones and square-based pyramids; and
- describe how changing one measured attribute of a rectangular prism affects the volume and surface area.

## Science

### 6.1

The student will demonstrate an understanding of scientific reasoning, logic, and the nature of science by planning and conducting investigations in which

- observations are made involving fine discrimination between similar objects and organisms;
- precise and approximate measurements are recorded;
- scale models are used to estimate distance, volume, and quantity;
- hypotheses are stated in ways that identify the independent and dependent variables;
- a method is devised to test the validity of predictions and inferences;
- one variable is manipulated over time, using many repeated trials;
- data are collected, recorded, analyzed, and reported using metric measurements and tools;
- data are analyzed and communicated through graphical representation;
- models and simulations are designed and used to illustrate and explain phenomena and systems; and
- current applications are used to reinforce science concepts.

### LS.1

The student will demonstrate an understanding of scientific reasoning, logic, and the nature of science by planning and conducting investigations in which

- data are organized into tables showing repeated trials and means;
- a classification system is developed based on multiple attributes;
- triple beam and electronic balances, thermometers, metric rulers, graduated cylinders, and probeware are used to gather data;
- models and simulations are constructed and used to illustrate and explain phenomena;
- sources of experimental error are identified;
- dependent variables, independent variables, and constants are identified;
- variables are controlled to test hypotheses, and trials are repeated;
- data are organized, communicated through graphical representation, interpreted, and used to make predictions;
- patterns are identified in data and are interpreted and evaluated; and
- current applications are used to reinforce life science concepts.