ScienceSource 7 - Unit C

Maple Syrup - everything you may want to know about maple syrup production.

Unit Task: Water Quality - the quality of our water is very important, and contaminants are everywhere.

• Ministry of the Environment: Water - learn everything about Ontario's water on our government website.
• Types of Drinking Water Contaminants - the types of contaminants that can enter our water supply.

Burnaby Oil Spill - for more information on this unfortunate incident:

• Huge Burnaby Oil Spill - a news story overview of the incident.
• Oil Spill - general information on oil spills.

Pure Substances and Mixtures - the everyday products you use can be classified in different ways:

• Matter is the Stuff Around You - an excellent set of study pages that will help you with the concept of organizing matter.
• Solutions and Mixtures - how do you tell them apart?
• Mixture Basics - go deep into the particles of substances to learn about mixtures.
• Alloys, Amalgams and Emulsions - interesting examples of mixtures.
• Mixtures Around You - concrete is a good example, it is well-described here.

Classification of Matter by Composition - do you know how to classify matter by its composition? Find out by trying this puzzle.

Section 7.1 Quiz - need more practice? Try this online quiz.

Particle Theory - In this excellent video, the particle theory and how it is related to changes in state is explained and discussed.

The Freezing Point of Salt Water - - control the temperature of a beaker of water and see the effect it has on the particles within (ExploreLearning login is required).

Changing States of Matter - energy changes in particles can result in changes of state:

• States of Matter - a very good overview of how particles behave in the different states.
• States of Matter - a very good lesson that explains how energy change affects state.
• Sublimation - all about this interesting change of state.

The Particle Theory of Matter - do you understand the particle theory of matter? Find out by trying this puzzle.

Section 7.2 Quiz - need more practice? Try this online quiz.

Carbon Dioxide - how can such an important gas have such a bad reputation?

• Carbon Dioxide - a huge amount of interesting information about this molecule.
• Greenhouse Gas - carbon dioxide is a major greenhouse gas.
• The Carbon Dioxide Greenhouse Effect - a very well-written story about the discovery of global warming. Long, but worth reading.
• Dry Ice - all you need to know about dry ice!

Unit Task: Water Quality - the contaminants that enter our water system travel by the rules of the particle theory of matter

• Typical Sources of Drinking Water Contamination - the particles of the contaminant have to come from somewhere.
• Ministry of the Environment: Water - learn everything about Ontario's water on our government website.
• Types of Drinking Water Contaminants - the types of contaminants that can enter our water supply.

The Walkerton Disaster - showing the importance of providing clean drinking water.

• Walkerton E. Coli Tragedy Archive - a huge collection of dated articles which chronicle the entire disaster.
• Health Canada - E. Coli - a government health page devoted to E. Coli.
• Environment Canada - water quality safety and regulations.
• Drinking Water Treatment Methods - as well as general safety concerns.

Dry Cleaning - getting your garments clean without water:

• Dry Cleaning - what is involved in the process? Is it environmentally safe?
• How Dry Cleaning Works - explains the whole process, step-by-step.

Dry Cleaning - this movie gives you a great tour of the dry cleaning process.

Section 8.1 Quiz - need more practice? Try this online quiz.

Solutions: Concentration and Solubility - do you know how concentration and solubility affect a solution? Find out by trying this puzzle.

Solubility and Temperature - - add a chemical to the water, set the temperature, and stir (ExploreLearning login is required).

John Dalton - the more you learn about the man, the more you'll understand particles.

• John Dalton - an excellent summary of his life and work.
• John Dalton - a very detailed look at Dalton and his work.
• John Dalton - just the facts!

Water Temperature and Dissolved Oxygen - warmer water can have dire consequences:

• Dissolved Oxygen: Why Is It Important? - a bit of a complicated read, but has very good information.
• Oxygen-poor ocean zones are growing - it seems like the low oxygen level problem in the ocean is getting worse.

Section 8.2 Quiz - need more practice? Try this online quiz.

Factors Affecting Solubility - do you know what factors affect solubility? Find out by trying this puzzle.

Separation Techniques - how can you separate the pure parts from mixtures?

• Paper Chromatography - an analytical technique for separating and identifying mixtures.
• Separating Mixtures - the method you use depends upon the type of mixture you have.

Using Recycled Materials - great products can be made from "waste" materials:

• Common Recyclables - an extensive list of recyclables and how they are used.
• What a Beverage Container Turns Into - very good pages provide lots of recycled product examples.

Carbon Removal - how can carbon dioxide be removed from the atmosphere?

• Carbon Capture and Storage - can capturing CO₂ and holding it far away from the atmosphere help combat global warming?
• Carbon Capture and Storage - different arguments are presented.

Section 8.3 Quiz - need more practice? Try this online quiz.

Separating Solutions and Mechanical Mixtures - do you know how to separate a mixture? how about a solution? Find out by trying this puzzle.

Consumer Product Safety - Health Canada maintains this site, with all sorts of product safety information.

Unit Task: Water Quality - the contaminants that enter our water system travel by the rules of the particle theory of matter

• Typical Sources of Drinking Water Contamination - the particles of the contaminant have to come from somewhere.
• Ministry of the Environment: Water - learn everything about Ontario's water on our government website.
• Types of Drinking Water Contaminants - the types of contaminants that can enter our water supply.

Separation Techniques - how can you separate the pure parts from mixtures?

• Fractional Distillation - a technique called fractional distillation separates the useful components from crude oil.
• Separating Mixtures - the method you use depends upon the type of mixture you have.

Panning For Gold - what are the tricks to this age-old separation technique?

• Gold Mining - there are several techniques for extracting gold.
• How Gold Works - some history, and also explains gold mining and extraction.
• Behind the Glitter: The Gold Facts - an environmental perspective on gold mining.

Section 9.1 Quiz - need more practice? Try this online quiz.

Industrial Methods to Separate Components of Mixtures - do you know how industries separate mixtures? Find out by trying this puzzle.

Air Filters - how do they work to clean the air?

• How Air Purifiers Work - there are several different types of air purifiers.
• Air Filter - exactly what they are and how they work.

Impact of Industrial Methods of Separating Mixtures and Solutions - do you understand the impact of industries separating mixtures? Find out by trying this puzzle.

Section 9.2 Quiz - need more practice? Try this online quiz.

Sewage and Waste Treatment - it's a dirty job, but is has to be done!

• How Sewer and Septic Systems Work - a very good overview of sewage treatment.
• Sewage Treatment - you will be an expert on sewage treatment after reading this!

CANDU - Canadian nuclear technology:

• CANDU Reactor - reactor functions described in great detail.
• CANDU Nuclear Power Technology - excellent diagrams and explanations can be found in this CANDU nuclear power FAQ.

Section 9.3 Quiz - need more practice? Try this online quiz.

Effects of Use and Disposal of Pure Substances and Mixtures on the Environment - do you understand the effects of man-made mixtures and substances in the environment? Find out by trying this puzzle.

Unit Task: Water Quality - the contaminants that enter our water system travel by the rules of the particle theory of matter

• Typical Sources of Drinking Water Contamination - the particles of the contaminant have to come from somewhere.
• Ministry of the Environment: Water - learn everything about Ontario's water on our government website.
• Types of Drinking Water Contaminants - the types of contaminants that can enter our water supply.