Colorado Academic Standards (CAS)

Colorado Academic Standards (CAS) for Sixth Grade Biology

CO.1. Physical Science

1.1. All matter is made of atoms, which are far too small to see directly through a light microscope. Elements have unique atoms and thus, unique properties. Atoms themselves are made of even smaller particles. Students can:

1.1.a. Identify evidence that suggests there is a fundamental building block of matter

Elements, mixtures and compoundsElements are a basic (simple) kind of matter. They can’t be broken down into simpler parts and still keep their properties because they are in the simplest form. A solute is the substance that is dissolved in the solvent. Solubility refers to the ability of one substance to dissolve into another substance. Read more...iWorksheets :4Study Guides :1Vocabulary :2

1.2. Atoms may stick together in well-defined molecules or be packed together in large arrays. Different arrangements of atoms into groups compose all substances. Students can:

1.2.a. Explain the similarities and differences between elements and compounds

1.4. Distinguish among, explain, and apply the relationships among mass, weight, volume, and density. Students can:

1.4.b. Predict how changes in acceleration due to gravity will affect the mass and weight of an object

Properties of matter and EnergyWhat is matter? Matter is anything that takes up space and has mass. Kinetic energy is energy that is happening now; it is energy in motion. Potential energy is energy that is waiting to happen; it is stored energy. How does heat get transferred: By conduction, by convection and by radiation. Read more...iWorksheets :3Study Guides :1Vocabulary :2

Newton's Laws of motionWhat is motion? Motion is the process of an object changing its place or its position. Motion is not speed. Speed is the rate an object changes position. Newton's law of motion. Read more...iWorksheets :4Study Guides :1Vocabulary :2

1.4.c. Predict how mass, weight, and volume affect density

1.4.d. Measure mass and volume, and use these quantities to calculate density

1.4.e. Use tools to gather, view, analyze, and report results for scientific investigations about the relationships among mass, weight, volume, and density

CO.2. Life Science

2.1. Changes in environmental conditions can affect the survival of individual organisms, populations, and entire species. Students can:

2.1.a. Interpret and analyze data about changes in environmental conditions - such as climate change - and populations that support a claim describing why a specific population might be increasing or decreasing

Energy and ecosystemsAn ecosystem includes all the living and non-living things in an area. This includes populations and communities of many different animals. Read more...iWorksheets :3Study Guides :1Vocabulary :3

2.2. Organisms interact with each other and their environment in various ways that create a flow of energy and cycling of matter in an ecosystem. Students can:

2.2.a. Develop, communicate, and justify an evidence-based explanation about why there generally are more producers than consumers in an ecosystem

Interactions among living thingsAn important and essential interaction among living things involves the flow of energy within an environment. All living organisms need energy to survive! Energy moves through an environment through food chains and food webs. Read more...iWorksheets :3Study Guides :1Vocabulary :3

2.2.b. Design a food web diagram to show the flow of energy through an ecosystem

2.2.c. Compare and contrast the flow of energy with the cycling of matter in ecosystems

CO.3. Earth Systems Science

3.1. Complex interrelationships exist between Earth's structure and natural processes that over time are both constructive and destructive. Students can:

3.1.b. Gather, analyze and communicate evidence from text and other sources that explains the formation of Earth's surface features

Landforms, Rocks and soilLandsforms are features that make up the Earth's surface. They include mountains, plateaus, canyons, deltas, hills, valleys, and more... The Rock cycle, Volcanoes. How do Earthquakes happen? Read more...iWorksheets :4Study Guides :1Vocabulary :4

Minerals of Earth's crustMinerals are solid elements formed naturally in the Earth’s surface. Every mineral has a unique chemical composition – a mix of the chemicals that formed it. Rocks are made up of minerals, sometimes more than one kind of mineral! Read more...iWorksheets :3Study Guides :1Vocabulary :2

3.1.c. Use or create a computer simulation for Earth's changing crust

3.2. Water on Earth is distributed and circulated through oceans, glaciers, rivers, ground water, and the atmosphere. Students can:

3.2.a. Gather and analyze data from a variety of print resources and investigations to account for local and world-wide water circulation and distribution patterns

Earth's freshwater and atmospherePlanet Earth (the planet on which we happen to live) spins on an imaginary line called an axis. One spin around on its axis is called a revolution. As the earth rotates, the areas facing the Sun slowly change, and that means the time of day and the temperatures change.The sun is the main energy supply for the water cycle. Read more...iWorksheets :4Study Guides :1Vocabulary :4

3.2.b. Use evidence to model how water is transferred throughout the earth

3.2.d. Identify the various causes and effects of water pollution in local and world water distributions

3.2.e. Describe where water goes after it is used in houses or buildings

3.3. Earth's natural resources provide the foundation for human society's physical needs. Many natural resources are nonrenewable on human timescales, while others can be renewed or recycled. Students can:

3.3.a. Research and evaluate data and information to learn about the types and availability of various natural resources, and use this knowledge to make evidence-based decisions

Earth's oceansOceans are a natural resource for salt and the fish and other sea animals we eat. Ocean Currents. Ocean Tides, Trenches, Mid-Ocean Ridges, Seamounts, The Flat Abyssal Plains, The Continental Shelf. Read more...iWorksheets :3Study Guides :1Vocabulary :2

3.3.b. Identify and evaluate types and availability of renewable and nonrenewable resources

Energy resourcesA renewable resource is a resource that can be naturally restored or at least replenished as it is needed: The power of WIND, the power of WATER, the power of the SUN, Geothermal energy (heat from the earth), the Energy of TRASH. Fossil fuels - Crude Oil, Coal, Natural Gas - are nonrenewable resources. These types of resources take much longer to replace than most societies can wait. Read more...iWorksheets :3Study Guides :1Vocabulary :2

3.3.c. Use direct and indirect evidence to determine the types of resources and their applications used in communities

3.3.d. Research and critically evaluate data and information about the advantages and disadvantages of using fossil fuels and alternative energy sources

Standards

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