Cogito Physical Sciences and Chemical Sciences
To better understand the functioning of the world around us...
1. Multiple Choice Quiz: Safety in Chemistry
2. True or False: Safety in Chemistry
3. Multiple Choice Quiz 2: Safety
4. Safety Pictograms
5. Fill-in-the-Blank Text
The States of Water
It is the champion of American hailstones that fell in 2003 in Aurora, Nebraska: 17.8 cm in diameter (Science et Vie Découvertes no131)
A new champion. A hailstone of 20.3 cm (the size of a melon) and 879 g fell in Vivian, South Dakota, on July 23, 2010 (Wikipedia)
1. Multiple Choice Quiz: The States of Water
2. True or False: The States of Water
3. Complete a Table: The States of Water
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4. Definition Quiz
5. Complete the Legends of the Boiling Water Diagram
6. Reconstruct Sentences
7. The Water Cycle (Calculation)
8. Freshwater and Saltwater?
Dangers of Clouds in Aviation (Keywords: "Airplane, Hail"):
White Copper Sulfate Turns Blue
Copper Sulfate Crystals
Action of a Transparent Liquid on Anhydrous Copper Sulfate
1. Multiple Choice Quiz: Copper Sulfate
2. True or False: Copper Sulfate
3. Reconstruct the Lesson Summary
4. Complete the Legends of the Heating Diagram of Hydrated Copper Sulfate
5. Chemical Test for Water
1. Multiple Choice Quiz: Water in Food and Beverages
2. True or False: Water in Food and Beverages
3. Fill-in-the-Blank Text: Chemical Test for Water
4. Fill-in-the-Blank Text: "Inputs" and "Outputs" of Water in a Human Being
5. Reconstruct the Summary (Puzzle)
6. Calculate the Mass of Water Present in the Human Body (% Percentage)
7. Calculate the Mass of Water Present in Food (% Percentage)
8. Multiple Choice Quiz: Chemical Test for Water and Beverages
1. Multiple Choice Quiz: pH and pH Measurement
2. True or False: pH and pH Measurement
1. Multiple Choice Quiz: The Mass Quantity
2. True or False: The Mass Quantity
3. Reconstruct the Summary (Puzzle)
4. Classify the Steps to Measure the Mass of a Liquid
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1. Multiple Choice Quiz: Mass Unit Conversions
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3. Complete the Mass Units Table
4. Write the Meaning of Mass Unit Notations (Abbreviations)
5. Multiple Choice Quiz: Mass Evaluation
Characteristics of the Three States of Matter
1. Multiple Choice Quiz: Characteristics of the Three States of Matter
2. True or False: Characteristics of the Three States of Matter
3. True or False: Free Surface of a Liquid at Rest
4. Properties of the States of Matter
5. The Free Surface of a Liquid at Rest
6. Multiple Choice Quiz: The Free Surface of a Liquid at Rest
7. Rotation of Photographs and Free Surface of a Liquid at Rest
8. Replace the Legends of a Diagram on the Free Surface of a Liquid
9. Definition Quiz
Measuring the Volume of a Liquid
1. Multiple Choice Quiz: Measuring the Volume of a Liquid
2. True or False: Measuring the Volume of a Liquid
3. Reading the Volume of a Liquid
4. Choosing a Graduated Container
5. Correctly Complete a Graduated Cylinder
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6. Determine the Value of a Division of a Graduated Cylinder
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7. Determine the Volume of a Liquid Present in a Graduated Cylinder
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8. Put Steps in Order: Measuring the Volume of a Liquid
9. Method to Calculate the Value of the Division
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10. Calculate the Volume of a Solid of Any Shape
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11. Glassware
12. True or False: Measuring the Volume of a Box
12. Measuring the Volume of a Rectangular Parallelepiped
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13. Units of Volume and Capacity
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Mass m, Volume V, and Density ρ
1. Multiple Choice Quiz: Density ρ
2. True or False: Density
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3. Classify Liquids from Most Dense to Least Dense
4. Complete a Mass-Volume Table with Diagrams for Water
Case of Oil
Case of Peppermint Syrup
5. Table to Complete: Mass and Volume
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6. Writing an Exercise: Mass Calculation
7. Determine the Mass and Volume of Several Objects
8. Density ρ Calculation
9. Density ρ Calculation
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1. Multiple Choice Quiz: Conversion
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2. True or False: Conversion
3. Multiple Answer Quiz: Unit Choice
4. Using the Table of Volume and Capacity Units
5. Using the Table of Volume and Capacity Units
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6. Using the Table of Volume and Capacity Units
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7. Choose the Right Word
8. Convert Units
Only with a computer in "Flash" How does the temperature vary during the heating of pure water?
How does the temperature vary during the heating of salt water?
1. Multiple Choice Quiz: Heating Pure Water
2. True or False: Boiling Pure Water
2. True or False: Boiling Pure Water
3. Diagram of a Setup
Only with a computer in "Flash"
How to Draw a Graph in Physical Sciences?
1. Multiple Choice Quiz: Drawing Curves
2. True or False: Drawing Curves
3. and 4. Only with a computer in "Flash"
3. Heating Curve of Pure Water
4. Heating Curve of Cyclohexane
Only with a computer in "Flash"
What is the particularity of the heating and cooling curves of pure substances?
1. Multiple Choice Quiz: Heating or Cooling Curves
2. True or False: Heating or Cooling Curves
3. and 4. Only with a computer in "Flash"
3. Heating or Cooling Curves
4. Liquid, Solid, or Vapor
5. State Changes
How do mass and volume change during the melting of ice?
1. Multiple Choice Quiz: Mass, Volume, and State Change
2. True or False: Mass, Volume, and State Change
How does mass vary during dissolution?
1. Multiple Choice Quiz: Solute, Solvent, Solution, and Dissolution
2. True or False: Solute, Solvent, Solution, and Dissolution
3. Solution, Solute, and Solvent
4. Liquid, Solid, or Vapor
1. Multiple Choice Quiz: Conservation of Mass During Dissolution
2. True or False: Conservation of Mass During Dissolution
3. Solution, Solute, and Solvent
4. Liquid, Solid, or Vapor
Elements of Simple Electrical Circuits
1. Multiple Choice Quiz: Elements of Simple Electrical Circuits
2. True or False: Elements of Simple Electrical Circuits
3. Multiple Choice Quiz: Electrical Circuit with a Lamp and a Battery
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4. Legends: "Description of a Battery and a Lamp"
5. Generator or Receiver?
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6. Definition Quiz
7. Fill-in-the-Blank Text: "Battery and Lamp Contacts"
8. Electrical Appliances
9. Reconstruct the Summary of the Question (Sentence Puzzle)
10. Choose the Right Word: Electrical Energy
1. Multiple Choice Quiz: Short-Circuited Battery
2. True or False: Short-Circuited Battery
3. Reconstruct the Summary of the Question (Sentence Puzzle)
4. Analyze Several Circuits: Remove Short-Circuit Wires
5. Choose the Right Word: Short-Circuited Battery
6. Multiple Choice Quiz 2: Short-Circuited Battery
Bedside Lamp and Role of the Switch
1. Multiple Choice Quiz: Role of the Switch
2. True or False: Role of the Switch
3. Definition Quiz
4. Reconstruct the Summary of the Question (Sentence Puzzle)
5. Behavior of a Diode
6. Study of Two Circuits: Open Circuit or Closed Circuit
7. Choose the Right Word: Role of the Switch
8. Choose the Right Word: Switch and Short-Circuit
9. Complete a Text: Role of the Switch
Polarized or Non-Polarized Dipole
1. Multiple Choice Quiz: Polarized Dipole
2. True or False: Polarized Dipole
3. Reconstruct the Summary of the Question (Sentence Puzzle)
4. Polarized Receiver or Non-Polarized Receiver
5. Behavior of an Electric Motor
6. Definition Quiz
Modeling and Property of the Circuit of a Classroom and the Circuit of an Electric Garland
1. Multiple Choice Quiz: Series Circuits and Circuits with Branches
2. True or False: Series Circuits and Circuits with Branches
3. Series Circuit or Circuit with Branches
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4. Definition Quiz
5. Reconstruct the Summary of the Question (Sentence Puzzle)
6. Determine the Number of Nodes and Branches
7. Which Lamps Light Up When One of the Lamps in the Circuit is Blown?
8. Choose the Right Word: Series Circuit - Parallel Circuit
9. Circuits with Three Lamps
10. Indicate the Nodes
Schematization of Electrical Circuits
1. Multiple Choice Quiz: Schematization of an Electrical Circuit
2. True or False: Schematization of an Electrical Circuit
3. Associate a Dipole with its Symbol
4. Complete the Legends (Loop, Branch, and Node)
5. Correct the Standardized Schematics
6. Symbols of Dipoles
Method to Realize a Simple Electrical Circuit from a Schematic
1. Multiple Choice Quiz: Realization of an Electrical Circuit
2. True or False: Realization of an Electrical Circuit
3. Complete a Text: Realization of a Series Circuit
3. Complete a Text: Realization of a Parallel Circuit
4. Reconstruct the Summary of the Question (Sentence Puzzle)
5. Conventional Direction of Current
6. Put in Order the Steps of Mounting an Electrical Circuit
Study of the Short-Circuit of a Receiver in a Series Circuit and in a Circuit with Branches
Dipole in Short-Circuit and Current Intensity
1. Multiple Choice Quiz: Short-Circuit of a Receiver
Multiple Choice Quiz: Dipole in Short-Circuit and Current Intensity
2. True or False: Short-Circuit of a Receiver
True or False: Dipole in Short-Circuit and Current Intensity
3. Which Lamps Light Up When a Lamp is Short-Circuited?
4. Which Lamps Do Not Light Up?
5. Choose the Right Word: Short-Circuit of a Lamp
6. Choose the Right Word: Behavior of a Series Circuit
6. Choose the Right Word: Behavior of a Parallel Circuit
7. Reconstruct the Summary of the Question (Sentence Puzzle)
8. Place the Lamp in Short-Circuit
9. True or False: Dipole in Short-Circuit and Current Intensity
10. Circuits with One or More Short-Circuits
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Measuring Intensity with a Multimeter Set as an Ammeter
1. Multiple Choice Quiz: Measuring Intensity
2. True or False: Measuring Intensity
3. Reconstruct Sentences
4. Ammeter Setup
5. Measuring Intensity and Switch
6. Measuring Intensity and Short-Circuit
7. Measuring Intensity and Parallel Circuit
Measuring Voltage with a Multimeter Set as a Voltmeter
1. Multiple Choice Quiz: Measuring Voltage
2. True or False: Measuring Voltage
3. Reconstruct Sentences
4. Voltage Measurement (Circuit with a Switch)
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5. Discovery of Voltage Laws
6. Voltmeter Setup
Association of Batteries and Nominal or Usage Voltage
1. Multiple Choice Quiz: Association of Batteries and Nominal or Usage Voltage
2. True or False: Association of Batteries and Nominal or Usage Voltage
3. Calculate the Voltage Across Several Battery Associations
4. Association of Batteries and Nominal or Usage Voltage
1. Multiple Choice Quiz: Sources of Light
2. True or False: Sources of Light
3. Classify the Sources of Light
4. Definition Quiz
5. Reconstruct Sentences
1. Multiple Choice Quiz: Propagation of Light
2. True or False: Propagation of Light
3. Using a Laser
4. Reconstruct Sentences
How to Obtain a Round Light Spot and Vary Its Surface?
1. Multiple Choice Quiz: Shadow
2. True or False: Shadow
3. Reconstruct Sentences