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  • Science: Biology 20

Alberta - Science: Biology 20

Alberta Curriculum and Program of Studies | Adopted: 2014

This correlation lists the recommended Gizmos for this province's curriculum standards. Click any Gizmo title below for more information.

20-A: : Energy and Matter Exchange in the Biosphere


1.1: : Energy, Equilibrium, Matter and Systems

20-A.1: : explain the constant flow of energy through the biosphere and ecosystems

1.1.1.1: : Science, Technology and Society (STS)

20-A1.1sts: : Students will: explain that the process of scientific investigation includes analyzing evidence and providing explanations based upon scientific theories and concepts

20-A1.1sts.1: : evaluate the evidence for the influence of ice and snow on the trapping of solar energy (albedo effect) and hypothesize on the consequences of fluctuations for biological systems

Screenshot of Hydrologic Cycle - High School

Hydrologic Cycle - High School

Paanee, a city in Northeast India, has been experiencing higher rates of flooding than normal. This surge in flooding has been caused by an increase in the hydrologic cycle’s activity. Students take on the role of a hydrologist to investigate why the hydrologic cycle’s rate has increased and what can be done to manage flooding and reduce flooding. Video Preview


Lesson Info
STEM Cases

1.1.1.2: : Skills

20-A.1.2: : Performing and Recording

20-A1.2s: : Students will: conduct investigations into relationships among observable variables and use a broad range of tools and techniques to gather and record data and information

20-A1.2s.2: : draw, by hand or using technology, annotated diagrams of food chains, food webs and ecological pyramids

Screenshot of Coral Reefs 1 - Abiotic Factors

Coral Reefs 1 - Abiotic Factors

Explore the abiotic factors that affect Caribbean coral reefs. Many factors can be manipulated in this simplified reef model, including ocean temperature and pH, storm severity, and input of excess sediments and nutrients from logging, sewage, and agriculture. Click "Advance year" to see how the reef responds to these changes. 5 Minute Preview


Lesson Info
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Screenshot of Food Chain

Food Chain

In this ecosystem consisting of hawks, snakes, rabbits and grass, the population of each species can be studied as part of a food chain. Disease can be introduced for any species, and the number of animals can be increased or decreased at any time, just like in the real world. 5 Minute Preview


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Screenshot of Prairie Ecosystem

Prairie Ecosystem

Observe the populations of grass, prairie dogs, ferrets and foxes in a prairie ecosystem. Investigate feeding relationships and determine the food chain. Bar graphs and line graphs show changes in populations over time. 5 Minute Preview


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Screenshot of Ecosystems - High School

Ecosystems - High School

As a national park ranger, students must restore the ecosystem of a park back to normal. They interact with populations of many organisms including wolves, deer and bees. Students learn the importance of food chains and webs, and how human factors can impact the health of an environment. Video Preview


Lesson Info
STEM Cases

20-A.1.4: : Communication and Teamwork

20-A1.4s: : Students will: work collaboratively in addressing problems and apply the skills and conventions of science in communicating information and ideas and in assessing results

20-A1.4s.1: : use appropriate Système international (SI) units, fundamental and derived units and significant digits

Screenshot of Unit Conversions 2 - Scientific Notation and Significant Digits

Unit Conversions 2 - Scientific Notation and Significant Digits

Use the Unit Conversions Gizmo to explore the concepts of scientific notation and significant digits. Convert numbers to and from scientific notation. Determine the number of significant digits in a measured value and in a calculation. 5 Minute Preview


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20-A.2: : explain the cycling of matter through the biosphere

1.1.2.1: : Science, Technology and Society (STS)

20-A2.1sts: : Students will: explain that science and technology have both intended and unintended consequences for humans and the environment

20-A2.1sts.1: : discuss the influence of human activities on the biogeochemical cycling of phosphorus, sulfur, iron and nitrogen:

20-A2.1sts.1.c: : fertilizer applications

Screenshot of Nitrogen Cycle - High School

Nitrogen Cycle - High School

An infant on a farm has blue baby syndrome. As an EPA environmental engineer, students must find the cause of the baby's illness. Using environment data, students learn the importance of the nitrogen cycle and how human factors can impact nature. Video Preview


Lesson Info
STEM Cases

20-A2.1sts.1.d: : waste and sewage disposal

Screenshot of Nitrogen Cycle - High School

Nitrogen Cycle - High School

An infant on a farm has blue baby syndrome. As an EPA environmental engineer, students must find the cause of the baby's illness. Using environment data, students learn the importance of the nitrogen cycle and how human factors can impact nature. Video Preview


Lesson Info
STEM Cases

20-A2.1sts.2: : discuss the use of water by society, the impact such use has on water quality and quantity in ecosystems, and the need for water purification and conservation:

20-A2.1sts.2.c: : agricultural systems

Screenshot of Nitrogen Cycle - High School

Nitrogen Cycle - High School

An infant on a farm has blue baby syndrome. As an EPA environmental engineer, students must find the cause of the baby's illness. Using environment data, students learn the importance of the nitrogen cycle and how human factors can impact nature. Video Preview


Lesson Info
STEM Cases

20-A2.1sts.2.e: : domestic daily water consumption

Screenshot of Water Crisis - High School

Water Crisis - High School

There has been an outbreak of legionnaires’ disease in a small town. This disease is caused by legionella bacteria that proliferate in contaminated water supplies. Students take on the role of an environmental chemist to investigate the source of legionella and use stoichiometry to decontaminate the water supply and remediate the disease outbreak. Video Preview


Lesson Info
STEM Cases

1.1.2.2: : Skills

20-A.2.1: : Initiating and Planning

20-A2.1s: : Students will: formulate questions about observed relationships and plan investigations of questions, ideas, problems and issues

20-A2.1s.1: : design an experiment to compare the carbon dioxide production of plants with that of animals

Screenshot of Plants and Snails

Plants and Snails

Study the production and use of gases by plants and animals. Measure the oxygen and carbon dioxide levels in a test tube containing snails and elodea (a type of plant) in both light and dark conditions. Learn about the interdependence of plants and animals. 5 Minute Preview


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20-A2.1s.2: : hypothesize how alterations in the carbon cycle, resulting from the burning of fossil fuels, might affect other cycling phenomena; e.g., sulfur, iron, water

Screenshot of Carbon Cycle

Carbon Cycle

Follow the path of a carbon atom through the atmosphere, biosphere, hydrosphere, and geosphere. Manipulate a simplified model to see how human activities and other factors affect the amount of atmospheric carbon today and in the future. 5 Minute Preview


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20-A2.1s.3: : predict disruptions in the nitrogen and phosphorus cycles that are caused by human activities

Screenshot of Nitrogen Cycle - High School

Nitrogen Cycle - High School

An infant on a farm has blue baby syndrome. As an EPA environmental engineer, students must find the cause of the baby's illness. Using environment data, students learn the importance of the nitrogen cycle and how human factors can impact nature. Video Preview


Lesson Info
STEM Cases

20-A.3: : explain the balance of energy and matter exchange in the biosphere, as an open system, and explain how this maintains equilibrium.

1.1.3.2: : Skills

20-A.3.2: : Performing and Recording

20-A3.2s: : Students will: conduct investigations into relationships between and among observable variables and use a broad range of tools and techniques to gather and record data and information

20-A3.2s.1: : collect evidence from various print and electronic sources on how human activities can have a disrupting influence on photosynthetic and cellular respiratory activities

Screenshot of Photosynthesis - High School

Photosynthesis - High School

As a marine biologist students learn about photosynthesis to help scientists in Australia determine why the coral in the Great Barrier Reef is bleaching. Video Preview


Lesson Info
STEM Cases

20-B: : Ecosystems and Population Change


2.1: : Energy, Matter and Systems

20-B.1: : explain that the biosphere is composed of ecosystems, each with distinctive biotic and abiotic characteristics

2.1.1.1: : Science, Technology and Society (STS)

20-B1.1sts: : Students will: explain how science and technology have both intended and unintended consequences for humans and the environment

20-B1.1sts.2: : assess the environmental consequences of the introduction of new species into established ecosystems (such as tropical fish in Banff Hot Springs, starlings, quack grass, scented chamomile, purple loosestrife) and discuss the responsibility of society to protect the environment through science and technology

Screenshot of Coral Reefs 2 - Biotic Factors

Coral Reefs 2 - Biotic Factors

In this followup to the Coral Reefs 1 - Abiotic Factors activity, investigate the impacts of fishing, disease, and invasive species on a model Caribbean coral reef. Many variables can be manipulated, included intensity of fishing, presence of black band and white band disease, and the presence of actual and potential invasive species. Click "Advance year" to see the impacts of these biotic changes. 5 Minute Preview


Lesson Info
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2.1.1.2: : Skills

20-B.1.1: : Initiating and Planning

20-B1.1s: : Students will: formulate questions about observed relationships; plan investigations of questions, ideas, problems and issues; and define and delimit problems to facilitate investigation

20-B1.1s.1: : hypothesize the role of biotic and abiotic factors in ecosystems; e.g., competition and chinooks

Screenshot of Pond Ecosystem

Pond Ecosystem

Measure the temperature and oxygen content of a pond over the course of a day. Then go fishing to see what types of fish live in the pond. Many different ponds can be investigated to determine the influence of time, temperature, and farms on oxygen levels. 5 Minute Preview


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20-B.1.3: : Analyzing and Interpreting

20-B1.3s: : Students will: analyze data and apply mathematical and conceptual models to develop and assess possible solutions

20-B1.3s.1: : apply classification and binomial nomenclature systems in a field study

Screenshot of Dichotomous Keys

Dichotomous Keys

Use dichotomous keys to identify and classify five types of organisms: California albatrosses, Canadian Rockies buttercups, Texas venomous snakes, Virginia evergreens, and Florida cartilagenous fishes. After you have classified every organism, try making your own dichotomous key! 5 Minute Preview


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20-B1.3s.2: : analyze the interrelationship of biotic and abiotic characteristics that make up the ecosystem studied

Screenshot of Pond Ecosystem

Pond Ecosystem

Measure the temperature and oxygen content of a pond over the course of a day. Then go fishing to see what types of fish live in the pond. Many different ponds can be investigated to determine the influence of time, temperature, and farms on oxygen levels. 5 Minute Preview


Lesson Info
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20-B.2: : explain the mechanisms involved in the change of populations over time.

2.1.2.2: : Skills

20-B.2.2: : Performing and Recording

20-B2.2s: : Students will: conduct investigations into relationships between and among observable variables and use a broad range of tools and techniques to gather and record data and information

20-B2.2s.1: : gather data, actual or simulated, on organisms to demonstrate how inherited characteristics change over time, as illustrated by Darwin’s finches, peppered moths, bacteria and domesticated plants and animals

Screenshot of Natural Selection

Natural Selection

You are a bird hunting moths (both dark and light) that live on trees. As you capture the moths most easily visible against the tree surface, the moth populations change, illustrating the effects of natural selection. 5 Minute Preview


Lesson Info
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Screenshot of Rainfall and Bird Beaks - Metric

Rainfall and Bird Beaks - Metric

Study the thickness of birds' beaks over a five year period as you control the yearly rainfall on an isolated island. As the environmental conditions change, the species must adapt (a real-world consequence) to avoid extinction. 5 Minute Preview


Lesson Info
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20-B.2.3: : Analyzing and Interpreting

20-B2.3s: : Students will: analyze data and apply mathematical and conceptual models to develop and assess possible solutions

20-B2.3s.1: : analyze data, actual or simulated, on plants and animals to demonstrate how morphology changes over time; e.g., Darwin’s finches, peppered moths, bacteria, domesticated plants or animals

Screenshot of Natural Selection

Natural Selection

You are a bird hunting moths (both dark and light) that live on trees. As you capture the moths most easily visible against the tree surface, the moth populations change, illustrating the effects of natural selection. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Rainfall and Bird Beaks - Metric

Rainfall and Bird Beaks - Metric

Study the thickness of birds' beaks over a five year period as you control the yearly rainfall on an isolated island. As the environmental conditions change, the species must adapt (a real-world consequence) to avoid extinction. 5 Minute Preview


Lesson Info
Launch Gizmo

20-B2.3s.3: : state a conclusion or generalization based on research data, suggesting how it supports or refutes an explanation for biological change, and identify new questions or problems that arise from what was learned

Screenshot of Natural Selection

Natural Selection

You are a bird hunting moths (both dark and light) that live on trees. As you capture the moths most easily visible against the tree surface, the moth populations change, illustrating the effects of natural selection. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Rainfall and Bird Beaks - Metric

Rainfall and Bird Beaks - Metric

Study the thickness of birds' beaks over a five year period as you control the yearly rainfall on an isolated island. As the environmental conditions change, the species must adapt (a real-world consequence) to avoid extinction. 5 Minute Preview


Lesson Info
Launch Gizmo
Screenshot of Evolution - High School

Evolution - High School

Working as a CDC researcher, students investigate an outbreak of multi-drug resistant bacterial infections and determine how evolution was involved by tracing the source and cause of the outbreak. Video Preview


Lesson Info
STEM Cases

20-C: : Photosynthesis and Cellular Respiration


3.1: : Energy, Matter and Systems

20-C.1: : relate photosynthesis to storage of energy in organic compounds

3.1.1.1: : Science, Technology and Society (STS)

20-C1.2sts: : Students will: explain that the appropriateness, risks and benefits of technologies need to be assessed for each potential application from a variety of perspectives, including sustainability

20-C1.2sts.1: : research and analyze the effects of herbicides on the biochemistry of photosynthesis.

Screenshot of Photosynthesis - High School

Photosynthesis - High School

As a marine biologist students learn about photosynthesis to help scientists in Australia determine why the coral in the Great Barrier Reef is bleaching. Video Preview


Lesson Info
STEM Cases

3.1.1.2: : Skills

20-C.1.1: : Initiating and Planning

20-C1.1s: : Students will: formulate questions about observed relationships and plan investigations of questions, ideas, problems and issues

20-C1.1s.1: : identify a testable factor that would affect the rate of photosynthesis

Screenshot of Photosynthesis Lab

Photosynthesis Lab

Study photosynthesis in a variety of conditions. Oxygen production is used to measure the rate of photosynthesis. Light intensity, carbon dioxide levels, temperature, and wavelength of light can all be varied. Determine which conditions are ideal for photosynthesis, and understand how limiting factors affect oxygen production. 5 Minute Preview


Lesson Info
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20-C1.1s.2: : predict and hypothesize the effect of changes in carbon dioxide and oxygen concentration on photosynthesis

Screenshot of Photosynthesis Lab

Photosynthesis Lab

Study photosynthesis in a variety of conditions. Oxygen production is used to measure the rate of photosynthesis. Light intensity, carbon dioxide levels, temperature, and wavelength of light can all be varied. Determine which conditions are ideal for photosynthesis, and understand how limiting factors affect oxygen production. 5 Minute Preview


Lesson Info
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20-D: : Human Systems


4.1: : Energy, Equilibrium, Matter and Systems

20-D.1: : explain how the human digestive and respiratory systems exchange energy and matter with the environment

4.1.1.2: : Skills

20-D.1.2: : Performing and Recording

20-D1.2s: : Students will: conduct investigations into relationships between and among observable variables and use a broad range of tools and techniques to gather and record data and information

20-D1.2s.2: : perform experiments, using qualitative tests, to detect the presence of carbohydrates, proteins and lipids

Screenshot of Identifying Nutrients

Identifying Nutrients

Use a variety of real-world lab tests to analyze common food samples in order to determine if the food is a carbohydrate, a protein, or a lipid. Tests that can be performed include: Benedict, Lugol, Biuret, and Sudan Red. 5 Minute Preview


Lesson Info
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20-D1.2s.3: : perform an experiment to investigate the influence of enzyme concentration, temperature or pH on the activity of enzymes such as pepsin and pancreatin

Screenshot of Enzymes - High School

Enzymes - High School

As a veterinary technician, students learn about enzymes to help a dog that has been eating normally but is losing a lot of weight. Video Preview


Lesson Info
STEM Cases

20-D.1.3: : Analyzing and Interpreting

20-D1.3s: : Students will: analyze data and apply mathematical and conceptual models to develop and assess possible solutions

20-D1.3s.1: : analyze and draw conclusions and assess validity of data from an investigation on calorimetry or enzyme action

Screenshot of Enzymes - High School

Enzymes - High School

As a veterinary technician, students learn about enzymes to help a dog that has been eating normally but is losing a lot of weight. Video Preview


Lesson Info
STEM Cases

20-D.2: : explain the role of the circulatory and defence systems in maintaining an internal equilibrium

4.1.2.2: : Skills

20-D.2.2: : Performing and Recording

20-D2.2s: : Students will: conduct investigations into relationships between and among observable variables and use a broad range of tools and techniques to gather and record data and information

20-D2.2s.3: : select and integrate information from various sources to observe the principal features of a mammalian circulatory system and the direction of blood flow, and identify structures from drawings; e.g., valves, chambers

Screenshot of Circulatory System

Circulatory System

Trace the path of blood through a beating heart and the network of blood vessels that supplies blood to the body. Take blood samples from different blood vessels to observe blood cells and measure the levels of oxygen, carbon dioxide, sugar, and urea. 5 Minute Preview


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Correlation last revised: 9/9/2024

About STEM Cases

Students assume the role of a scientist trying to solve a real world problem. They use scientific practices to collect and analyze data, and form and test a hypothesis as they solve the problems.

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STEM Cases take between 30-90 minutes for students to complete, depending on the case.

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© 2025 ExploreLearning. All rights reserved. Gizmo and Gizmos are registered trademarks of ExploreLearning. STEM Cases, Handbooks and the associated Realtime Reporting System are protected by US Patent No. 10,410,534

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