Cogito Physical Sciences and Chemistry
To better understand the functioning of the world around us...
The Periodic Table of Elements
1. Multiple Choice Questions: Periodic Table of Elements
2. True or False: Periodic Table of Elements
3. Complete the Periodic Table of Elements
Complete Line 2
Complete Line 3
4. Match a Symbol and an Element Name
Version 2
5. Questions on the Periodic Table
6. Definition Quiz
The Constitution of an Atom
The Constitution of an Atomic Nucleus
1. Multiple Choice Questions: Constitution of the Atom
Multiple Choice Questions: Constitution of the Atomic Nucleus
2. True or False: Constitution of the Atom
True or False: Constitution of the Atomic Nucleus
3. Definition Quiz
4. Complete a Table: Constitution of Several Atoms
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5. Schematic Representation of Several Atoms
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How to Distinguish Pure Water from Mineral Water
Ions and Ionic Solutions
Monoatomic Ions
1. Multiple Choice Questions: Ions and Ionic Solutions
2. True or False: Ions and Ionic Solutions
3. Complete a Table: Constitution of Several Ions
Version 2
4. Atom, Molecule, or Ion?
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5. Match an Ion Formula to Its Name
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6. Definition Quiz
Chemical Identification of Some Ions
1. Multiple Choice Questions: Chemical Test
2. True or False: Chemical Test
pH, Hydrogen Ion H+, and Hydroxide Ion HO-
1. Multiple Choice Questions: pH, Hydrogen Ion H+, and Hydroxide Ion HO-
2. True or False: pH, Hydrogen Ion H+, and Hydroxide Ion HO-
Action of Hydrochloric Acid on Iron
How to Determine the Balanced Chemical Equation
1. Multiple Choice Questions: Action of Hydrochloric Acid on Iron
1. Multiple Choice Questions: Balanced Chemical Equation
2. True or False: Action of Hydrochloric Acid on Iron
2. True or False: Balanced Chemical Equation
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How to Recognize Different Metals
1. Multiple Choice Questions: How to Recognize Different Metals
2. True or False: How to Recognize Different Metals
3. Calculate the Density
4. Calculate the Mass or Volume
Version 2
Version 3
Version 4
5. Flowchart to Use to Determine the Name of a Metal
1. Multiple Choice Questions: Mass and Weight
2. True or False: Mass and Weight
3. Method for Calculating Division
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Version 3
4. Reading the Weight on a Dynamometer
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5. Characteristics of a Force
6. Characteristics of Weight
7. Definition Quiz
8. Determine the Values of Weight
9. Choose Between Weight and Mass
Relationships Between Weight, Mass, and Gravitational Intensity
1. Multiple Choice Questions: Relationships Between Weight, Mass, and Gravitational Intensity
2. True or False: Relationships Between Weight, Mass, and Gravitational Intensity
3. Using the Relationships Between P, m, and g
4. Only on Computer in "Flash" 4. Curve of the Evolution of the Weight Value as a Function of Mass (Case of Jupiter)
Curve of the Evolution of the Weight Value as a Function of Mass (Case of Neptune)
Curve of the Evolution of the Weight Value as a Function of Mass (Case of the Moon)
Curve of the Evolution of the Weight Value as a Function of Mass (Case of Earth)
5. Calculation of Gravitational Intensity with a Curve (Case of Jupiter)
Calculation of Gravitational Intensity with a Curve (Case of Neptune)
Calculation of Gravitational Intensity with a Curve (Case of the Moon)
Calculation of Gravitational Intensity with a Curve (Case of Earth)