Unit C �Interactions and Ecosystems� by T4aCJCZ


									Grade 7 Science

                 Unit A               “Interactions and Ecosystems”


Ecosystem           Water cycle            Biotic            Carbon cycle       Abiotic
Bioinvasion         Species                Carnivore         Competition        Population
Herbivore           Predation              Community         Omnivore           Prey
Photosynthesis      Cellular respiration   Succession        Organisms          Symbiosis
Commensalism        Mutualism              Parasitism        Controled          Manipulated
Responding          Habitat

Things to Know:

   1. Examples of ecosystems and the difference between biotic and abiotic factors (9-10)

   2. Difference between species, populations, and communities (11)

   3. The 5 basic needs of living things (12-13)

   4. The 3 types of symbiotic relationships (16-17)

   5. Difference between photosynthesis and cellular respiration (30-31)

   6. Examples of food chains and energy flow in ecosystems (35-38)

   7. Examples of food webs (food pyramids) and what occurs if one organism increases or decreases in
      population size (39-43)

   8. What contributes to the water (45-46)

   9. Examples of bioinvasion (56-57)

   10. Difference between primary succession and secondary succession (63)

   11. What was the unintended consequences of DDT use (67-68)

   12. What are factors that can reduce ecological footprints? (82)
                    Unit B              “Plants for Food and Fibre”

Seed Plants         Flowers              Cones                Leaves
Seeds               Stems                Roots                Capillary Action
Photosynthesis      Diffusion            Active Transport     Transpiration
Chloroplasts        Pore                 Evaporation          Cellular Respiration
Osmosis             Life Cycle           Germination          Pollination
Pollen              Adaptation           Erosion              Vegetative Reproduction
Mineral Particles   Humus                Loam                 Organic Particles
Population          Yield                Hydroponics          Species
Variety             Trait                Selective Breeding   Classification Key
Genes               Offspring            Herbicide            Genetic Engineering
Pesticide           Resistant            Biological Control   Biodiversity

Things To Know:

       1. Identify and explain the functions of the 5 parts of a plant. (101)
       2. Explain how water moves up the plant from the roots. (103)
       3. The processes of photosynthesis and cellular respiration, the formulas of each, and when
           they occur. (104)
       4. Explain how substances move in and out of the plant cells. (106)
       5. Where gas exchange occurs in a plant.(107)
       6. The life cycle of a seed plant. (110)
       7. The reproduction of seed plants along with the parts of a male and female plant.(111)
       8. The different ways plants reproduce without seeds. (114-115)
       9. How plants adapt to their environment. (118-119)
       10. Things plants need to grow. (121-122)
       11. The role plants play in the environment. (129)
       12. What plants are used for. (130-132)
       13. How to manage a living resource and why is it important to. (136)
       14. What does soil contain and the characteristics of different types of soil. (141-142)
       15. How our practices can improve or degrade the soil.(crop rotation) (143-147)
       16. How artificial environments have increased our yields. (154 –155)
       17. How plant varieties are developed through selective breeding and genetic breeding along
           with the problems they create. (158-159)
       18. Different ways to control weeds and insects. (161-162)
       19. Consequences of environmental management. (163-164)
                       Unit C                “Heat and Temperature”

Caloric                      Heat                        Need
Want                         Sustainable                 Solid
Liquid                       Gas                         Heat Energy
Condensation                 Kinetic Energy              Temperature
Thermal Energy               Thermometer                 Expand
Contract                     Thermal Expansion           Conduction
Convection                   Radiation                   Conductor
Insulator                    Radiant Energy              Infrared Waves
Passive Heating              Active Heating              Solar Array
Thermostat                   Refrigerant                 Thermal Conductivity
R-value                      Renewable Resource          Cogeneration
Non-renewable Resource       Joule

Things To Know:

   1.    Early theories of heat. (181)
   2.    How humans need heat. (182-183)
   3.    Difference between a want and a need. (185)
   4.    How to make a sustainable choice. (187)
   5.    The freezing, melting, boiling and condensation point of water. (192)
   6.    Particle model of matter and know how it relates to the 3 states of matter. (193-194)
   7.    How the particle model explains changes of state. (196)
   8.    The difference between heat, temperature and thermal energy. (198-200)
   9.    How a thermometer works. (200)
   10.   How heat effects solids, liquids and gases. (203-206)
   11.   The difference between conduction, convection and radiation, along with what states are involved
         in each. (209-217)
   12.   The difference between conductors and insulators and know examples of each. (211)
   13.   The different natural sources of thermal energy. (223)
   14.   Characteristics of passive and active solar heating. (225-226)
   15.   How a thermostat works. (230)
   16.   The two types of heating systems. (230)
   17.   The three costs associated with using fossil fuels. (240-241)
   18.   The three alternatives for thermal energy. (241-242)
   19.   The three main users of energy. (246-248)
                       Unit D                 “Structures & Forces”
Structure                         Centre of gravity                  Truss
Structural strength               Symmetry                           Cantilever
Structural stability              Load                               Column
Force                             Static load                        Structural stress
Solid structure                   Dynamic load                       Structural fatigue
Frame structure                   Beam bridge                        Structural failure
Shell structure                   Truss bridge                       Brittleness
Function                          Suspension bridge                  Ductility
Inukshuk                          Arch bridge                        Deformation
Aesthetics                        Performance requirements           Flexibility
Adobe (pg 278)                    Compression                        Joint
Force                             Tension                            Friction
Magnitude                         Shear                              Fixed joints
Newton                            Complementary forces               Moveable joints
External force                    Arch                               Ligaments
Mass                              Beam                               Tendons
Internal force                    I-beam                             Corrugation
                                  Girders                            Lamination

Things To Know:
   1.  How to classify structures? (265-266)
   2.  Who designed the paint roller, and the barbed wire? (270)
   3.  Be familiar with the common functions of different designs. (272)
   4.  Human built structures vs. Natural structures (273-277)
   5.  The actual effect of a force on a structure depends on 3 things: (281-282)
   6.  The amount newtons in 1kg, 10 kg, a textbook? (284)
   7.  How gravity effects the increase of a structure’s stability with it’s height. (286)
   8.  Other names for static and dynamic load. How do they effect a structure?
   9. Two conditions which engineers use to decide which type of bridge is most effective. (290)
   10. The differences between all 4 bridges. How the load effects each! (290-291)
   11. Think of examples for structures under compression, tension & shear. (296-297)
   12. What is the strongest shape? (301)
   13. In order for a structure to avoid failure, it must have (2 things): (303)
   14. Be able to recognize the properties of different materials. (309)
   15. Think of examples of joints that rely on friction, moveable, bonding, interlocking, and fixed joints.
   16. Be able to identify the type of structure and joint for each of the ligaments and bones of the
       human body. (319-321)
   17. Requirements for structural safety. (326)
   18. Three environmental factors before building structures. (326-327)
   19. The 4 components used to strengthen structures (330)
   20. The 4 important questions of how effective a structure will be. (334)
                                Unit E               “Planet Earth”

Model                     Mechanical weathering    Eskers                   Boundary
Geologists                Wind                     Striations               Converging boundary
Inner Core                Chemical weathering      Minerals                 Diverging boundary
Outer Core                Biological weathering    Crystals                 Transform boundary
Mantle                    Stalactite               Properties               Subduction
Crust                     Stalagmite               Moh’s hardness scale     Mountain
Earthquakes               Sediment                 Volcanologist            Mountain range
Focus                     Sedimentation            Seismotologis            Mountain building
Epicenter                 Fluvial landforms        Igneous                  Folds
Seismic waves             Landslides               Sedimentary              Faults
Richter scale             Flood plain (365)        Metamorphic              Syncline
Volcano                   Glacier                  Classifying              Anticline
Surveyor’s level          Bedrock                  Exploration              Fossils
Seismogram                Greenhouse gases (366)   Floods                   Trilobites
Magma                     Retreating glaciers      Precambrian shield       Paleontologists
Lava                      Advancing glaciers       Interior plain           Strata
Ash                       Drumlins                 Continental drift        Geological columns
Weathering                Moraines                 Trenches                 Index fossils
Erosion                   Avalanches               Ridges                   Eras
Deposition                                         Plates

Things To Know:
   1.    Be able to create a model of the 4 layers of the Earth. (355)
   2.    How are you able to find the epicenter? What equipment is necessary? (359)
   3.    The year, date and location of the largest earthquake in the U.S.. (359)
   4.    Recognize the formation and steps of how a volcano begins & ends. (360)
   5.    There 3 types of weathering. Be familiar with each and provide examples.
   6.    Create a model of a glacier with the many fluvial landforms (366)
   7.    What are the 6 properties used to identify minerals (371)
   8.    Be familiar with the order of the “Moh’s Hardness Scale” (372)
   9.    Name the 3 families of rocks. What are the two types of igneous rocks? (378)
   10.   Describe the 4 tools and techniques used to find minerals. (384)
   11.   Explain the rock cycle! (386)
   12.   The 4 pieces of evidence proving “Pangaea.” (393)
   13.   Evidence provided for the theory of the sea floor moving. (397-398)
   14.   Be familiar with the 3 different boundaries, and the two different types of converging boundaries
   15.   The difference between folds and faults in mountains (406-408)
   16.   Geological Time Scale, and the 4 eras (421)

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