Investigating Science 9 - Unit A

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Chapter 1

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Electronic Student Book Table of Contents and Introduction - this Table of Contents and Introduction Electronic Student Book file is provided in Adobe Acrobat (pdf) format. Please note that some Electronic Student Book files are large and depending on the speed of your connection to the Internet, may take some time to download to your computerPage 2.


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Electronic Student Book Chapter - the Electronic Student Book file for this chapter is provided in web-enabled pdf format. If you are logged into ScienceSource.ca, clicking the page numbers of the pdf file will present you with all available web resources for that page.Page 2


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Electronic Student Book Skills References - these Skills References are an excellent guide for reviewing science skills and getting the most out of your Investigating Science 9 experience.Page 2


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Electronic Student Book Glossary and Index - this Glossary and Index Electronic Student Book file also contains all the answers to numerical questions in Investigating Science 9.Page 2


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The Northern Leopard Frog - an important part of many ecosystems, frogs and toads are especially sensitive to changes in their environment.


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Northern Leopard Frog - this 1-minute video shows the Northern Leopard Frog in its natural habitat; the National Geographic page for the Northern Leopard Frog also has a sample of the frog's song.Page 2


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Unit Introductory Activities - use these activities to introduce the ecosystems unit to students.

  • Wetland Ecosystems: Ducks Unlimited - this free student journal, and the teacher's guide that goes with it (requires free registration to download PDF files), discusses the evolution, diversity and sustainability of ecosystems.
  • Ecosystem Matters - twelve downloadable activities on a variety of sustainability and ecosystem-related topics.
  • Biosphere 2 - a fascinating project, where scientists create a totally enclosed ecosystem (including humans); build smaller models yourself, such as in an aquarium or a box.

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Unit Introductory Videos - use these videos to introduce the relationship between ecosystems, sustainability and human activities.

  • Safe Harbours - a video from the US Fish and Wildlife Service discussing the Safe Harbour program, where private land owners help to preserve endangered species.Page 2

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Designing a Totally Sustainable Community - in this Unit Task you will attempt to demonstrate how human activities affect the sustainability of ecosystems, and how can this knowledge help us design more sustainable communities.

  • How Sustainable Communities Work - a good introduction to the concept of sustainable communities.
  • The Sustainability Report - this website has excellent sustainability information.
  • The David Suzuki Foundation - this collection of resources from one of Canada's great environmentalists has many resources about sustainability and healthy ecosystems.
  • Sustainability - an interesting perspective on sustainability from the Canada Mortgage and Housing Corporation; there are some interesting resources on sustainable homes and communities here.
  • Great Lakes - an amazing collection of information and resources from the US Environmental Protection Agency.

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Back 2 Nature - visit the Royal Botanical Gardens in Cootes Paradise to explore sustainability in Ontario.


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Cootes Paradise - this beautiful natural area, located at the west end of Lake Ontario, contains a wide variety of species, including many that are threatened or are very rare.


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Pesticide Use Across the Country - pesticides are chemicals used to kill unwanted plants and animals; unfortunately other organisms are often affected as well.


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Blue Marble - part of the EarthObservatory site, NASA has the resources to look outward into space, but also inward from space to study Earth.


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Stewardship - Earth is a big place, so many people need to take personal responsibility in order for all of Earth's systems to be healthy and efficient.


Key Activity

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SMART Notebook Section Supplement - this file reviews the key concepts for the section and explores one of the key concepts with an interactive activity. Important note - you will require SMART Notebook software to use this file.


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The Canadian Biodiversity Web Site - a terrific resource for Canadian biodiversity, from McGill University and Heritage Canada.


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A Holistic Approach - to understand a system such as an ecosystem we can examine it part by part, but we should also look at the system as whole.


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Canada Ecozones - a great website to examine Canada's ecozones, as well as learning more about the ecology of Canada.


Key Puzzle

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Mystery Image - use your jigsaw puzzle skills to solve the mystery image and uncover the secret "key idea" that goes with the image.


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Elements of Ecosystems - ecosystems consist of biotic and abiotic factors, where these factors can be organized into species, populations, habitats, communities and niches.

  • The Concept of the Ecosystem - it is tough to capture the essence of what an ecosystem is, but this page introduces the concept well here, and includes discussions of species, populations, habitats and communities.
  • Ecosystems - general information about ecosystems throughout the world.
  • From Niche to Biosphere - read more about the organization of elements in the environment.

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Elements of Ecosystems - these activities allow you to get interactive with some virtual ecosystems


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Biomes - ecosystems that share similar characteristics can be grouped into biomes.

  • Introduction to Biomes - read about how biomes are defined, then research specific biomes.
  • Biomes - review the eight terrestrial North American biomes mentioned here, along with information about what biomes represent.

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Mission: Biomes - use these NASA activities to sharpen your knowledge of the world's biomes.


Key Puzzle

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Mystery Image - use your jigsaw puzzle skills to solve the mystery image and uncover the secret "key idea" that goes with the image.


Key Quiz

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Chapter Matching Terms - want to review the terms you have learned in this chapter? Try this special chapter terms matching quiz.


Key Lab

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Supplementary Lab: Weird, Wacky, and Wonderful - plants are sometimes the forgotten foundation of ecosystems. In this activity, research a unique plant, and discover its place within the local ecosystem.


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The Biosphere - the biosphere is where life exists on Earth, an intersection of the atmosphere, lithosphere and hydrosphere.

  • The Biosphere - although brief, this page has summaries of most of the concepts we are studying in this ecosystem chapter.
  • Earth's Spheres - read about Earth's spheres and their interactions.

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Flash Learning Tool: Biomes - having difficulty understanding the different biomes? Try this handy tool that allows you to toggle all the biomes so that you can see them individually.


Key Activity

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Active Art: Biomes - view the biomes of the world.


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Biomes of the World - Canada has five of the world's biomes; learn more about the rest with these links.


Online Quiz

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Section 1.1 Quiz - need more practice? Try this online quiz.


Key Puzzle

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Crossword Puzzle - how well do you know the terms and concepts from this section? Find out by trying this puzzle. (Also available for download)


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Wildebeest Migration - food, and therefore survival, is important enough that millions of wildebeests and other grazers will travel in a 3000 km migration around Africa every year.


Key Activity

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SMART Notebook Section Supplement - this file reviews the key concepts for the section and explores one of the key concepts with an interactive activity. Important note - you will require SMART Notebook software to use this file.


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Nutrient Cycles - elements are continually cycling through nature in systems such as the water, nitrogen, and carbon cycles.


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Nutrient Cycles - use these activities to help better understand and appreciate the importance of the cycling of matter through our ecosystems.

  • The Water Cycle - another one of those websites that look like they were made for younger students, but which have a good summary of an important scientific concept.
  • The Nitrogen Cycle - work your way through a sometimes confusing cycle with this fun tutorial.
  • The Carbon Cycle - a quick look at the carbon cycle.

Key Quiz

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OSSLT Practice Quiz - use this quiz to practice for the Ontario Secondary School Literacy Test. Read "The Water Cycle" and look at Figure 1.22 before completing the quiz.


Key Puzzle

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Mystery Image - use your jigsaw puzzle skills to solve the mystery image and uncover the secret "key idea" that goes with the image.


Key Activity

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Active Art: Water Cycle - learn how water moves through the environment.


Key Quiz

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Labeling Practice - want to test your knowledge of key concepts from this chapter? Try this special labeling quiz.


Activity

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Energy Flows Through Ecosystems - these simple activities can help to understand energy flow.

  • Photosynthesis Lab - - this Gizmo allows us to explore the relationship between light, carbon dioxide and water as photosynthesis occurs.
  • Energy Flow - an interactive exploration of energy flow from the Teacher's Domain website (free PBS registration may be required).
  • Illuminating Photosynthesis - an interactive photosynthesis activity that goes much deeper into the science of this energy conversion process than you might expect (free PBS registration may be required).

Video

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Energy Flow Through Ecosystems - let these videos show you more about energy flow.


Key Lab

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Dry Lab: Eye on Photosynthesis - what are the requirements for photosynthesis? What is produced during photosynthesis? Try this investigation to find out.


Key Activity

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Active Art: Photosynthesis - a plant uses chlorophyll to harness sunlight energy to power a series of chemical reactions.


Key Quiz

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Chapter Matching Terms - want to review the terms you have learned in this chapter? Try this special chapter terms matching quiz.


Key Lab

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Dry Lab: What's for Lunch? - what are the requirements for cellular respiration? What is produced during cellular respiration? Try this investigation to find out.


Key Lab

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Technology Lab: Rate of Photosynthesis - how does the rate of photosynthesis change when a plant is exposed to different light conditions?


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Producers, Consumers, and Decomposers - how each role in an ecosystem fits together in the flow of energy.


Activity

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Producers, Consumers, and Decomposers - use these activities to understand these important roles in healthy ecosystems.


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Food Chains and Food Webs - when energy relationships are organized between organisms, patterns we call chains and webs emerge.

  • Food Chains & Food Webs - food chains show the direct flow of energy through one set of organisms, while a food web represents the reality of the complex relationships of who eats what.

Activity

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Food Chains and Food Webs - build the energy relationships between organisms as all obtain energy to survive.

  • Food Chain - - this food chain Gizmo also provides a nice view resembling energy pyramids.
  • Create Your Own Food Web - scroll down to find the "creating a possible food web" link, then drag and drop until you have a custom food web of your own design.
  • Ecosystems - this lesson can be used for review or to learn more about food webs and the flow of energy.

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Flash Learning Tool: Food Web - having trouble understanding how energy flows in a food web? Try this handy tool that allows you to better visualize energy flow.


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Active Art: Ocean Food Web - learn how a balance of organisms creates a healthy and sustainable food web.


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Energy Pyramids - a pyramid shape is used to represent the 10% of energy that is passed from one organism on to the one that eats it.


Activity

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Building an Energy Pyramid - use this PDF activity to help visually represent the amount of energy passed from level to level in an energy pyramid.


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Other Ecological Pyramids - pyramids of numbers and pyramids of biomass also reveal interesting connections between organisms interconnected by their need to obtain energy.

  • Pyramids of Numbers - depending on size, some pyramids of numbers can look like anything but a pyramid.
  • Pyramid of Biomass - the total mass of each level of an energy pyramid is referred to as a pyramid of biomass.

Online Quiz

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Section 1.2 Quiz - need more practice? Try this online quiz.


Key Puzzle

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Crossword Puzzle - how well do you know the terms and concepts from this section? Find out by trying this puzzle. (Also available for download)


Weblink

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Birth of an Ecosystem: Surtsey Island - rarely do scientists get a chance to observe the beginning of a terrestrial ecosystem where once there was nothing but open ocean.


Video

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Videos from Surtsey Island, Iceland - a collection of videos showing the formation of Surtsey Island.


Key Activity

Page 36 - Key Resource - ScienceSource PLUS

SMART Notebook Section Supplement - this file reviews the key concepts for the section and explores one of the key concepts with an interactive activity. Important note - you will require SMART Notebook software to use this file.


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Biotic Interactions in a Community - relationship between organisms in communities can be classified as competition, predation or symbiosis.


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Characteristics of Populations - based on factors such as the availability of resources and predator-prey relationships, a population changes from year to year but also often reaches an equilibrium.

  • Population Growth - a good overview of introductory population dynamics.
  • What's the System? - scroll through this page of ecosystem information, including the characteristics of populations.
  • The Vole Truth about Lemming Deaths - lemmings do not dive over cliffs; instead, they and the stoat are tied together by the dynamics of the predator-prey relationship.

Activity

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Characteristics of Populations - use these activities to explore the characteristics of populations.

  • Estimating Population Size - - a Gizmo that may give you an appreciation of the challenges ecologists have when it comes to determining populations.
  • Pike and Perch - (PDF), studies the relationship in a Canadian lake between pike and perch.

Key Puzzle

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Mystery Image - use your jigsaw puzzle skills to solve the mystery image and uncover the secret "key idea" that goes with the image.


Key Activity

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Active Art: Rabbit Population Growth - see how changing the birthrate, emigration rate or death rate affects a rabbit population.


Key Lab

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Supplementary Lab: Intriguing Insects - insects are regarded as one of the most successful organisms to ever live on Earth. Discover why they are considered so successful, and choose an interesting insect to research.


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Snowshoe Hare and Lynx Populations - the relationship between these two animals, and their surrounding food webs, are a classic example of Canadian wildlife populations.

  • Predator-Prey Models - review the basics of the relationship between the snowshoe hare and lynx populations in the Canadian wilderness.
  • Snowshoe Hare - a Hinterland Who's Who website about the snowshoe hare.
  • Canada Lynx - information about the lynx and its primary prey.

Activity

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Snowshoe Hare and Lynx Populations - this well-researched relationship is used as an example of how predators and prey interact.


Key Image

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Flash Learning Tool: Population Cycles - understanding the dynamics of population cycles in a predator-prey relationship can be challenging. Try this handy tool that allows you to control the graph and view the predator and prey individually.


Key Video

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Key Lab Video: Activity A10 - Predation Simulation - join senior author Lionel Sandner as he discusses how to model a lynx-hare predator-prey relationship.


Online Quiz

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Section 1.3 Quiz - need more practice? Try this online quiz.


Key Puzzle

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Crossword Puzzle - how well do you know the terms and concepts from this section? Find out by trying this puzzle. (Also available for download)


Weblink

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How Symbiosis Works - read more about the fascinating world of symbiosis.


Key Quiz

Page 49 - Key Resource - ScienceSource PLUS

Chapter Matching Terms - want to review the terms you have learned in this chapter? Try this special chapter terms matching quiz.


Weblink

Page 49

Designing a Totally Sustainable Community - in this Unit Task you will attempt to demonstrate how human activities affect the sustainability of ecosystems, and how can this knowledge help us design more sustainable communities.


Key Quiz

Page 49 - Key Resource - ScienceSource PLUS

Chapter Quiz - want to review what you have learned in this chapter? Try this special chapter review quiz.


Chapter 2

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Chapter 3

You do not have access to this grade's basic resources; you may only view the Preview resources in Chapter 1.
If you have an account with access to this grade, then please log in to view resources for chapters 2 through 12.