1
Q
activation energy
A
Activation energy is the minimum amount of energy needed to start a chemical reaction.
2
Q
concentration
A
Concentration is the amount of a substance in a given volume.
3
Q
catalyst
A
A catalyst increases the reaction rate by lowering the activation energy needed.
4
Q
enzymes
A
The cells in your body contain thousands of biological catalysts called enzymes that help reactions occur at body temperature.
5
Q
inhibitor
A
A material used to decrease the rate of a chemical reaction is an inhibitor.
Interactive Science | Physical Science
flashcards
Decks in class (50)
# Cards
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Chapter One, Lesson One: Describing Matter5
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Chapter One, Lesson Two: Classifying Matter7
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Chapter One, Lesson Three: Measuring Matter5
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Chapter One, Lesson Four: Changes in Matter8
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Chapter Two, Lesson One: States of Matter9
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Chapter Two, Lesson Two: Changes of State9
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Chapter Two, Lesson Three: Gas Behavior4
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Chapter Three, Lesson One: Introduction to Atoms9
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Chapter Three, Lesson Two: Organizing the Elements5
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Chapter Three, Lesson Three: Metals11
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Chapter Three, Lesson Four: Nonmetals and Metalloids6
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Chapter Three, Lesson Five: Radioactive Elements9
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Chapter Four, Lesson One: Atoms, Bonding, and the Periodic Table3
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Chapter Four, Lesson Two: Ionic Bonds7
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Chapter Four, Lesson Three: Covalent Bonds7
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Chapter Four, Lesson Four: Bonding in Metals2
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Chapter Five, Lesson One: Observing Chemical Change7
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Chapter Five, Lesson Two: Describing Chemical Reactions8
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Chapter Five, Lesson Three: Controlling Chemical Reactions5
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Chapter Six, Lesson One: Understanding Solutions5
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Chapter Six, Lesson Two: Concentration and Solubility4
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Chapter Six, Lesson Three: Describing Acids and Bases4
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Chapter Six, Lesson Four: Acids and Bases in Solution5
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Chapter Seven, Lesson One: Describing Motion4
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Chapter Seven, Lesson Two: Speed and Velocity5
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Chapter Seven, Lesson Three: Acceleration1
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Chapter Eight, Lesson One: The Nature of Force3
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Chapter Eight, Lesson Two: Friction and Gravity8
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Chapter Eight, Lesson Three: Newton's Laws of Motion4
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Chapter Eight, Lesson Four: Momentum2
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Chapter Eight, Lesson Five: Free Fall and Circular Motion3
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Chapter Eight, Lesson Six: Sinking and Floating1
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Chapter Nine, Lesson One: Work and Power4
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Chapter Nine, Lesson Two: Understanding Machines5
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Chapter Nine, Lesson Three: Inclined Planes and Levers6
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Chapter Nine, Lesson Four: Putting Machines Together3
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Chapter Ten, Lesson One: What is Energy?5
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Chapter Ten, Lesson Two: Forms of Energy6
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Chapter Ten, Lesson Three: Energy Transformations and Conservation2
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Chapter Eleven, Lesson One: Temperature, Thermal Energy, and Heat6
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Chapter Eleven, Lesson Two: The Transfer of Heat4
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Chapter Eleven, Lesson Three: Thermal Properties4
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Chapter Twelve, Lesson One: What Are Waves?11
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Chapter Twelve, Lesson Two: Properties of Waves4
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Chapter Twelve, Lesson Three: Interactions of Waves10
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Chapter Thirteen, Lesson One: The Nature of Sound1
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Chapter Thirteen, Lesson Two: Properties of Sound5
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Chapter Thirteen, Lesson Three: Music3
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Chapter Thirteen, Lesson Four: Hearing Sound3
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Chapter Thirteen, Lesson Five: Using Sound4
