6.1: Materials can be classified as pure substances or mixtures, depending on their chemical and physical properties.

6.1.1: Describe the structure of the atom and its component parts.

Bohr Model of Hydrogen
Bohr Model: Introduction
Electron Configuration
Element Builder
Nuclear Decay

6.1.2: Explain that density (mass/volume) is a characteristic property that can be used to identify an element or substance.

Density Experiment: Slice and Dice
Density Laboratory
Density via Comparison
Determining Density via Water Displacement
Weight and Mass

6.1.3: Compare and contrast the properties of a metal (aluminum, iron, etc.) with a nonmetal (oxygen, carbon, etc.).

Electron Configuration
Element Builder
Magnetism

6.1.4: Illustrate the differences in the physical and chemical properties of a molecule and the individual atoms that bonded to form that molecule.

Dehydration Synthesis
Limiting Reactants

6.1.6: Conduct and report on an investigation that uses physical means such as particle size, density, solubility and magnetism to separate substances in a mixture.

Magnetism

6.1.7: Use the patterns in the Periodic Table to locate metals, semimetals and nonmetals and to predict the general characteristics of an element.

Electron Configuration
Element Builder

6.2: An ecosystem is composed of all the populations that are living in a certain space and the physical factors with which they interact.

6.2.1: Analyze and interpret how biotic and abiotic factors interact within a given ecosystem.

Food Chain
Forest Ecosystem
Interdependence of Plants and Animals
Pond Ecosystem

6.2.2: Design and conduct a scientific investigation to explore the porosity and permeability of soils and their ability to support different plant life.

Growing Plants
Porosity

6.2.3: Defend the statement, ?The sun is the main source of energy on Earth.?

Energy Conversions
Solar System

6.2.4: Express in general terms how plants and other photosynthetic organisms use the sun?s energy.

Cell Energy Cycle
Food Chain
Forest Ecosystem
Photosynthesis Lab
Prairie Ecosystem

6.2.5: Investigate and report on the effects of abiotic factors on a plant?s ability to photosynthesize.

Cell Energy Cycle
Interdependence of Plants and Animals
Photosynthesis Lab
Pond Ecosystem

6.2.6: Compare and contrast how energy and matter flow in a Connecticut ecosystem, emphasizing the interactions among producers, consumers and decomposers.

Cell Energy Cycle
Forest Ecosystem
Interdependence of Plants and Animals
Photosynthesis Lab
Prairie Ecosystem

6.2.7: Identify local examples of predator-prey relationships and justify the impact of each type of population on the other.

Food Chain
Forest Ecosystem
Prairie Ecosystem

6.2.8: Create and interpret graphs that illustrate the fluctuation of populations over time.

Distance-Time Graphs
Food Chain
Force and Fan Carts
Forest Ecosystem
Graphing Skills
Prairie Ecosystem
Rabbit Population by Season

6.2.9: Distinguish a food chain from a food web and identify local examples of each.

Food Chain
Forest Ecosystem
Prairie Ecosystem

6.2.10: Explain the impact of environmental conditions such as climate, elevation, topography or water quality on food chains.

Coastal Winds and Clouds
Prairie Ecosystem
Seasons Around the World
Seasons in 3D
Seasons: Earth, Moon, and Sun
Seasons: Why do we have them?
Water Pollution

6.2.11: Predict what will happen to a population based on current trends (fires, disease, overhunting, development) and defend the prediction.

Forest Ecosystem
Prairie Ecosystem

6.3: Variations in the amount of the sun?s energy hitting the Earth?s surface affect daily and seasonal weather patterns.

6.3.2: Demonstrate how changes in temperature, pressure, moisture and density of air affect weather patterns (e.g., air masses and air pressure).

Coastal Winds and Clouds
Density Laboratory
Density via Comparison
Relative Humidity
Weather Maps

6.3.3: Describe in writing how solar energy drives Earth?s weather systems.

Energy Conversions
Solar System

6.3.4: Investigate and report on how the introduction of heat affects the motion of particles and the distance between them.

Boyle's Law and Charles' Law
Energy Conversions
Temperature and Particle Motion

6.3.5: Illustrate the transfer of energy as matter changes phase.

Energy Conversions
Freezing Point of Salt Water
Phase Changes

6.3.6: Design, conduct and report in writing an investigation that reveals different substances absorb and release heat at different rates.

Bohr Model of Hydrogen
Bohr Model: Introduction
Energy Conversions

6.3.8: Investigate and explain the movement of local winds, including ?sea breezes? and ?land breezes,? based on the uneven heating of the Earth?s surface and a change in air pressure.

Coastal Winds and Clouds
Weather Maps

6.3.9: Examine and explain that global winds are caused by uneven heating of the Earth?s surface and the rotation of the Earth.

Coastal Winds and Clouds