Identifying Independent and Dependent Variables in Experiments Physical Science Name: Goal: To demonstrate student understanding of independent and dependent variables Procedure - Part I: Identify the dependent and independent variable in each of the eight investigations below. Remember the following definitions: INDEPENDENT VARIABLE DEPENDENT VARIABLE a. Independent variable: b. Dependent variable: 1. Is plant growth affected by the color of light in which it grows? The factor controlled (or changed) by the experimenter. This might also be described as the change made by the experimenter on purpose. It is sometimes called the manipulated variable. Example: You are investigating how soil type influences bean stem growth. In your investigation... a. Independent variable (the variable that you are controlling) is types of soil used. b. Dependent variable (the results) would be the growth of bean stems. a. Independent variable: b. Dependent variable: Date: The factor (or result) which changes because of what the experimenter does. The dependent variable is the change that occurs because of what the experimenter does; it gets changed by the independent variable. It is sometimes called the responding variable. 2. Which laundry detergent removes stains more effectively? Period: 3. Does the type of oil affect the size of popcorn? a. Independent variable: b. Dependent variable: 5. Which battery has the longest life span? a. Independent variable: b. Dependent variable: 6. Which paint resists weathering more effectively? a. Independent variable: b. Dependent variable: 7. Do different types of music affect student math accuracy? a. Independent variable: b. Dependent variable: 8. How do different salts affect the melting point of ice? a. Independent variable: b. Dependent variable: 4. Which type of paper towel is more absorbent? a. Independent variable: b. Dependent variable: Part II: Evaluation 1. Explain how you know which variable in an experiment is the independent variable. 2. What question can you ask to help you identify the dependent variable?
Identifying Independent and Dependent Variables in Experiments Physical Science Name: Goal: To demonstrate student understanding of independent and dependent variables Procedure - Part I: Identify the dependent and independent variable in each of the eight investigations below. Remember the following definitions: INDEPENDENT VARIABLE DEPENDENT VARIABLE a. Independent variable: b. Dependent variable: 1. Is plant growth affected by the color of light in which it grows? The factor controlled (or changed) by the experimenter. This might also be described as the change made by the experimenter on purpose. It is sometimes called the manipulated variable. Example: You are investigating how soil type influences bean stem growth. In your investigation... a. Independent variable (the variable that you are controlling) is types of soil used. b. Dependent variable (the results) would be the growth of bean stems. a. Independent variable: b. Dependent variable: Date: The factor (or result) which changes because of what the experimenter does. The dependent variable is the change that occurs because of what the experimenter does; it gets changed by the independent variable. It is sometimes called the responding variable. 2. Which laundry detergent removes stains more effectively? Period: 3. Does the type of oil affect the size of popcorn? a. Independent variable: b. Dependent variable: 5. Which battery has the longest life span? a. Independent variable: b. Dependent variable: 6. Which paint resists weathering more effectively? a. Independent variable: b. Dependent variable: 7. Do different types of music affect student math accuracy? a. Independent variable: b. Dependent variable: 8. How do different salts affect the melting point of ice? a. Independent variable: b. Dependent variable: 4. Which type of paper towel is more absorbent? a. Independent variable: b. Dependent variable: Part II: Evaluation 1. Explain how you know which variable in an experiment is the independent variable. 2. What question can you ask to help you identify the dependent variable?
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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Transcribed Image Text:Name:
Identifying Independent and Dependent Variables in Experiments
Physical Science
INDEPENDENT
VARIABLE
Goal: To demonstrate student understanding of independent and dependent variables
Procedure - Part I: Identify the dependent and independent variable in each of the eight investigations
below. Remember the following definitions:
DEPENDENT
VARIABLE
a. Independent variable:
b. Dependent variable:
1. Is plant growth affected by the color of light in which
it grows?
Date:
The factor controlled (or changed) by the experimenter. This might also be
described as the change made by the experimenter on purpose. It is sometimes
called the manipulated variable.
Example: You are investigating how soil type influences bean stem growth. In your investigation...
a. Independent variable (the variable that you are controlling) is types of soil used.
b. Dependent variable (the results) would be the growth of bean stems.
a. Independent variable:
b. Dependent variable:
Period:
The factor (or result) which changes because of what the experimenter does.
The dependent variable is the change that occurs because of what the
experimenter does; it gets changed by the independent variable. It is sometimes
called the responding variable.
2. Which laundry detergent removes stains more
effectively?
3. Does the type of oil affect the size of popcorn?
a. Independent variable:
b. Dependent variable:
5. Which battery has the longest life span?
a. Independent variable:
b. Dependent variable:
6. Which paint resists weathering more effectively?
a. Independent variable:
b. Dependent variable:
7. Do different types of music affect student math
accuracy?
a. Independent variable:
b. Dependent variable:
8. How do different salts affect the melting point of ice?
untia. Independent variable:
b. Dependent variable:
4. Which type of paper towel is more absorbent?
a. Independent variable:
b. Dependent variable:
Part II: Evaluation
1. Explain how you know which variable in an experiment is the independent variable.
2. What question can you ask to help you identify the dependent variable?
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