Secondary 4 Physical Science

This page is a collection of resources for Remedial Activities for Secondary IV Environmental Science and Technology (105-003-RE), previously known as Secondary 4 Physical Science (982-003-50).

Generally Helpful URLs

• Stefan's Lecture notes for physical science
• Stefan's Videos for physical science
• Visionlearning

  This site gives some great background information - it is directly referred to in the "Problem Set for Secondary 4 Science". Select the Chemistry section and explore the topics to find what you need.

• Dynamic Periodic Table

  A nice interactive periodic table. Moving your mouse over an element gives the basic information; clicking on an element shows you its wikipedia entry.

• The Photographic Table of the Elements

  This site shows a photograph for each element in addition to providing more details when you click on the elements.

Remedial Activities for Secondary IV Environmental Science and Technology

Significant Figures, Units, Density

Videos

• SI-Prefixes
• Unit Conversion - Introduction
• Unit Conversion - Example
• Introduction to Significant Figures
• Counting Significant Figures
• Calculation rules for Significant Figures
• Units of Volume
• Measuring the Density of Beer
• The water replacement method

Elements, Compounds, and Mixtures

Videos

• The three states of matter
• Physical and Chemical Changes
• Classification of Matter
• Separation Techniques

Atomic Structure

Readings

• Cambridge Physics - Discovery of the Nucleus

  This page gives a brief but overview of the history of how the nucleus was discovered and how the atomic model evolved.

Videos

• History of the Atom (Dalton, Thomson, Rutherford, and Bohr Models)
• Introduction to the Periodic Table
• Isotopes
• Ions (Anions and Cations)

Chemical Bonding

Videos

• Why elements bond to form compounds
• Why Do Atoms Bond?
• Octet Rule, Ionic. vs Covalent Bonds
• How to find the number of valence electrons
• How to Draw Lewis Dot Structures for Ionic Compounds/Bonds
• How to draw the Lewis structure for covalent compounds/bonds
• Atomic Bonding Song

Nomenclature

Videos

• Naming Covalent Compounds
• Naming Ionic Compounds
• What is a polyatomic ion?
• Using a song to memorize the polyatomic Ions
• Polyatomic Ion Rap

The mole concept

Videos

• How big is a mole?
• How to calculate the molar mass of a compound
• The mole song

Chemical Equations

Videos

• Chemical Equations
• Balancing Chemical Equations
• Example: Using chemical equations to calculate the moles of a reactant required
• Example: Using a chemical equation to calculate the mass of a product

Solutions

Videos

• Introduction to Solutions: Solutions and Concentration
• Dilution Problems

Acids and Bases

Videos

• What is pH (Introduction to Acids and Bases)
• A DIY pH indicator

Radioactivity / Nuclear Physics

Videos

• Radioactivity (Alpha, Beta, and Gamma decay)
• Half-Life and the C-14 Method
• Nuclear Fission
• Nuclear Fusion
• The difference between a nuclear reactor and an atomic bomb

Energy

Videos

• Video: Introduction to Laws of Conservation (Conservation of Energy)
• Video: Conservation of Energy in Mechanics
• Video: Mechanical Work
• Video: Work required to lift an object (Discovery of Potential Energy)
• Video: Work required to accelerate an object to velocity v (Discovery of Kinetic Energy)

Electrostatics

Videos

• Video: Introduction to Electrostatics
• Video: Electrostatic Force (Coulombs Law)

Electrodynamics

Videos

• Video: Introduction to Electrodynamics
• Video: Ohm's Law

Magnetism

Videos

• Video: Introduction to Magnetism

Genetics

Videos

• Video: Genes vs. DNA vs. Chromosomes
• Video: Genes and Alleles
• Video: Heredity: Family Tree with Punnett Square Example