Podcast
Questions and Answers
What is the function of the pH scale?
What is the function of the pH scale?
The pH scale measures the acidity or alkalinity of a solution. It ranges from 0 to 14, with 7 being neutral. Solutions with a pH less than 7 are acidic, and solutions with a pH greater than 7 are alkaline.
What are the names given to a solution with a pH of 7, a pH between 0 and 6.99, and a pH between 7.01 and 14?
What are the names given to a solution with a pH of 7, a pH between 0 and 6.99, and a pH between 7.01 and 14?
A pH of 7 is considered neutral. A pH between 0 and 6.99 is acidic, and a pH between 7.01 and 14 is basic.
What lab material is used to measure pH?
What lab material is used to measure pH?
- pH paper, pH meter, paper tournesol (correct)
- pH paper, paper tournesol
- pH meter
What does temperature measure?
What does temperature measure?
What is the name given to a substance that conducts electric current or heat?
What is the name given to a substance that conducts electric current or heat?
What name is given to a substance that does not conduct electricity?
What name is given to a substance that does not conduct electricity?
How is concentration defined?
How is concentration defined?
How is concentration calculated?
How is concentration calculated?
How is solubility defined?
How is solubility defined?
What are the relationships between concentration and solubility and what does this mean?
What are the relationships between concentration and solubility and what does this mean?
Which of these characteristics are unique to a substance? (Select all that apply)
Which of these characteristics are unique to a substance? (Select all that apply)
Which of these characteristics are common to many substances? (Select all that apply)
Which of these characteristics are common to many substances? (Select all that apply)
Flashcards
pH
pH
A measure of the acidity or alkalinity of a solution.
Conductor
Conductor
A substance that conducts electricity or heat.
Insulator
Insulator
A substance that does not conduct electricity or heat.
Concentration
Concentration
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Solubility
Solubility
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Characteristic Properties
Characteristic Properties
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Non-Characteristic Properties
Non-Characteristic Properties
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Hypothesis
Hypothesis
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Independent Variable
Independent Variable
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Dependent Variable
Dependent Variable
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Controlled Variables
Controlled Variables
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Results Table
Results Table
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Solid
Solid
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Liquid
Liquid
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Gas
Gas
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Energy Transmission
Energy Transmission
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Energy Transformation
Energy Transformation
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Elastic Energy
Elastic Energy
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Radiant Energy
Radiant Energy
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Electric Energy
Electric Energy
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Chemical Energy
Chemical Energy
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Kinetic Energy
Kinetic Energy
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Raw Material
Raw Material
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Materials
Materials
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Equipment
Equipment
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Component
Component
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Action
Action
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Input
Input
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Output
Output
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Compression
Compression
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Tension
Tension
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Torsion
Torsion
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Flexion
Flexion
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Shear
Shear
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Friction
Friction
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Rectilinear Motion
Rectilinear Motion
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Alternating Motion
Alternating Motion
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Circular Motion
Circular Motion
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Oscillatory Motion
Oscillatory Motion
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Study Notes
Scientific Method
-
How to write a hypothesis?
- If (statement on what will happen)... then (what will happen), because... (reason).
-
How to write a protocol?
- Precise description of steps
- Numbered steps
- Steps begin with infinitive verbs
-
What is the difference between independent, dependent, and controlled variables?
- Independent: The variable that affects the outcome.
- Dependent: The variable that is measured during the experiment
- Controlled: Maintaining constant conditions.
-
How to create and complete a results table?
- Independent variable in the first column.
- Dependent variable in the second column.
- Include labels and units.
Properties of Matter
- What are the three states of matter?
- Solid: Particles are tightly packed, definite shape and volume.
- Liquid: Particles flow around each other, definite volume & changing shape.
- Gas: Particles go anywhere, changing volume and shape.
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