Interpretation:
The reason for more usefulness of quantitative observation than a non-quantitative one is to be determined.
Concept introduction:
Observation is the process to watch something or someone. It is the active acquisition of information from a primary source. It also involves the perception and record of data with the help of scientific instruments.
The two types of observations are as follows:
1. Qualitative observations: The observations that can only be observed with the help of senses. Examples of such properties are taste, sight, smell, touch and hear.
2. Quantitative observations: The observations that are made with the help of instruments like rulers, balances, graduated cylinders, beakers, thermometers. Examples of such observations are the length, temperature, weight.
(a)
Interpretation:
Whether the sun rises in the east is a quantitative or qualitative observation is to be determined.
Concept introduction:
Observation is the process to watch something or someone. It is the active acquisition of information from a primary source. It also involves the perception and record of data with the help of scientific instruments.
The two types of observations are as follows:
1. Qualitative observations: The observations that can only be observed with the help of senses. Examples of such properties are taste, sight, smell, touch and hear.
2. Quantitative observations: The observations that are made with the help of instruments like rulers, balances, graduated cylinders, beakers, thermometers. Examples of such observations are the length, temperature, weight.
(b)
Interpretation:
Whether a person weighs one-sixth as much on the moon as on earth is a qualitative or qualitative observation is to be determined.
Concept introduction:
Observation is the process to watch something or someone. It is the active acquisition of information from a primary source. It also involves the perception and record of data with the help of scientific instruments.
The two types of observations are as follows:
1. Qualitative observations: The observations that can only be observed with the help of senses. Examples of such properties are taste, sight, smell, touch and hear.
2. Quantitative observations: The observations that are made with the help of instruments like rulers, balances, graduated cylinders, beakers, thermometers. Examples of such observations are the length, temperature, weight.
(c)
Interpretation:
Whether ice floats on water is quantitative or qualitative observation is to be determined.
Concept introduction:
Observation is the process to watch something or someone. It is the active acquisition of information from a primary source. It also involves the perception and record of data with the help of scientific instruments.
The two types of observations are as follows:
1. Qualitative observations: The observations that can only be observed with the help of senses. Examples of such properties are taste, sight, smell, touch and hear.
2. Quantitative observations: The observations that are made with the help of instruments like rulers, balances, graduated cylinders, beakers, thermometers. Examples of such observations are the length, temperature, weight.
(d)
Interpretation:
Whether a handpump cannot draw water from a well more than
Concept introduction:
Observation is the process to watch something or someone. It is the active acquisition of information from a primary source. It also involves the perception and record of data with the help of scientific instruments.
The two types of observations are as follows:
1. Qualitative observations: The observations that can only be observed with the help of senses. Examples of such properties are taste, sight, smell, touch and hear.
2. Quantitative observations: The observations that are made with the help of instruments like rulers, balances, graduated cylinders, beakers, thermometers. Examples of such observations are the length, temperature, weight.
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Chapter 1 Solutions
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