2: Students will use scientific skills and processes to explain the chemical and physical interactions (i.e., natural forces and cycles, transfer of energy) of the environment, Earth, and the universe that occur over time.

2.B: Earth History

2.B.1: Explain how sedimentary rock is formed periodically, embedding plant and animal remains and leaving a record of the sequence in which the plants and animals appeared and disappeared.

2.B.1.a: Explain how sedimentary rock buried deep enough may be reformed by pressure and heat and these re-formed rock layers may be forced up again to become land surface and even mountains.

Rock Cycle

2.B.1.b: Cite evidence to confirm that thousands of layers of sedimentary rock reveal the long history of the changing surface of the Earth

Rock Classification
Rock Cycle

2.B.1.c: Explain why some fossils found in the top layers of sedimentary rock are older then those found beneath in lower layers.

2.B.1.c.2: Breaking

Plate Tectonics
Rock Cycle

2.B.1.c.3: Uplift

Plate Tectonics
Rock Cycle

2.B.1.c.4: Faulting

Plate Tectonics
Rock Cycle

2.B.1.c.5: Tilting

Plate Tectonics
Rock Cycle

2.B.2: Recognize and explain that fossils found in layers of sedimentary rock provide evidence of changing life forms.

2.B.2.a: Recognize how different types of fossils are formed, such as petrified remains, imprints, molds and casts.

Human Evolution - Skull Analysis

2.B.2.b: Recognize and explain that the fossil record of plants and animals describes changes in life forms over time.

Human Evolution - Skull Analysis

2.D: Astronomy

2.D.1: Identify and describe the components of the universe.

2.D.1.b: Identify that our solar system is a component of the Milky Way Galaxy.

Rotation/Revolution of Venus and Earth
Solar System Explorer

2.D.2: Identify and explain celestial phenomena using the regular and predictable motion of objects in the solar system.

2.D.2.a: Identify and describe the relationships among the period of revolution of a planet, the length of its solar year, and its distance from the sun.

Orbital Motion - Kepler's Laws
Seasons Around the World
Seasons in 3D
Seasons: Earth, Moon, and Sun
Seasons: Why do we have them?
Solar System Explorer

2.D.2.b: Identify and explain the relationship between the rotation of a planet or moon on its axis and the length of the solar day for that celestial object.

Solar System Explorer

2.D.2.c: Identify and explain the cause of the phases of the moon.

Moon Phases
Moonrise, Moonset, and Phases

2.D.2.d: Describe how lunar and solar eclipses occur.

2D Eclipse
3D Eclipse

2.D.3: Recognize and explain the effects of the tilt of Earth's axis.

2.D.3.a: Recognize and describe that Earth's axis is tilted about 23ΒΌ from vertical with respect to the plane of its orbit and points in the same direction during the year.

Seasons Around the World
Seasons in 3D
Seasons: Earth, Moon, and Sun
Seasons: Why do we have them?

2.D.3.b: Recognize and describe that the tilt of Earth's axis causes

2.D.3.b.1: Changes in the angle of the sun in the sky during the year

Seasons Around the World
Seasons in 3D
Seasons: Earth, Moon, and Sun
Seasons: Why do we have them?

2.D.3.b.2: Seasonal differences in the northern and southern latitudes

Seasons Around the World
Seasons in 3D
Seasons: Earth, Moon, and Sun
Seasons: Why do we have them?

2.D.3.c: Recognize and describe how the tilt of Earth's axis affects the climate in Maryland.

Seasons Around the World
Seasons in 3D
Seasons: Earth, Moon, and Sun
Seasons: Why do we have them?

2.D.4: Recognize and explain how the force of gravity causes the tides.

2.D.4.a: Identify and describe the cause of high and low tides.

Gravitational Force
Tides

2.E: Interactions of Hydrosphere and Atmosphere

2.E.1: Cite evidence to explain the relationship between the hydrosphere and atmosphere.

2.E.1.b: Recognize and describe the water cycle as the distribution and circulation of Earth's water through the glaciers, surface water, groundwater, oceans, and atmosphere.

Porosity
Water Cycle

2.E.1.c: Identify and describe how the temperature and precipitation in a geographic area are affected by surface features and changes in atmospheric and ocean content.

2.E.1.c.1: Relative location of mountains

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

2.E.1.c.2: Volcanic eruptions

Seasons Around the World
Seasons in 3D
Seasons: Earth, Moon, and Sun
Seasons: Why do we have them?

2.E.1.c.3: Proximity to large bodies of water

Coastal Winds and Clouds

2.E.1.c.4: Heat energy of ocean currents

Calorimetry Lab

2.E.2: Recognize and describe the various factors that affect climate.

2.E.2.a: Identify and describe how the temperature and precipitation of an area are affected by surface and ocean features.

2.E.2.a.1: Relative location of mountains

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

2.E.2.a.2: Proximity to large bodies of water

Coastal Winds and Clouds

2.E.2.b: Recognize and describe the global effects of volcanic eruptions, greenhouse gases, and El Nino.

Greenhouse Effect

2.E.3: Identify and describe the atmospheric and hydrospheric conditions related to weather systems.

2.E.3.a: Identify and describe weather patterns associated with high and low pressure systems and frontal systems.

Coastal Winds and Clouds

2.E.3.b: Identify and describe the atmospheric and hydrospheric conditions associated with the formation and development of hurricanes, tornadoes, and thunderstorms.

Hurricane Motion

2.E.3.c: Identify and describe how various tools are used to collect weather data and forecast weather conditions.

2.E.3.c.2: Thermometer

Relative Humidity

2.E.3.c.3: Anemometer

Coastal Winds and Clouds
Hurricane Motion

2.E.3.c.4: Psychrometer

Coastal Winds and Clouds
Relative Humidity

3: The students will use scientific skills and processes to explain the dynamic nature of living things, their interactions, and the results from the interactions that occur over time.

3.D: Evolution

3.D.1: Recognize and describe that evolutionary change in species over time occurs as a result of natural variation in organisms and environmental changes.

3.D.1.b: Recognize that adaptations may include variations in structures, behaviors, or physiology, such as spiny leaves on a cactus, birdcalls, and antibiotic resistant bacteria.

Evolution: Mutation and Selection
Natural Selection

3.D.1.c: Recognize and describe that adaptation and speciation involve the selection of natural variations in a population.

Evolution: Mutation and Selection
Natural Selection
Rainfall and Bird Beaks

3.D.1.d: Recognize and describe that extinction occurs when the adaptive traits of a population do not support its survival.

Natural Selection

3.D.1.e: Recognize that evolution accounts for the diversity of species.

Human Evolution - Skull Analysis

4: Students will use scientific skills and processes to explain the composition, structure, and interactions of matter in order to support the predictability of structure and energy transformations

4.A: Structure of Matter

4.A.1: Provide evidence to explain how compounds are produced. (No electron transfer)

4.A.1.a: Describe how elements form compounds and molecules.

Bohr Model of Hydrogen
Covalent Bonds
Electron Configuration
Ionic Bonds

4.A.1.c: Based on data from investigations and research compare the properties of compounds with those of the elements from which they are made.

Bohr Model of Hydrogen
Covalent Bonds
Electron Configuration
Ionic Bonds

4.B: Conservation of Matter

4.B.1: Provide evidence to support the fact that the idea of atoms explains conservation of matter.

4.B.1.a: Use appropriate tools to gather data and provide evidence that equal volumes of different substances usually have different masses.

Balancing Chemical Equations
Chemical Equation Balancing
Density Experiment: Slice and Dice
Density Laboratory
Density via Comparison
Determining Density via Water Displacement

4.B.1.b: Cite evidence from investigations that the total mass of a system remains the same throughout a chemical reaction because the number of atoms of each element remains the same.

Balancing Chemical Equations
Chemical Equation Balancing
Limiting Reactants
Stoichiometry

4.B.1.c: Give reasons to justify the statement, " If the number of atoms stays the same no matter how the same atoms are rearranged, then their total mass stays the same."

Balancing Chemical Equations
Chemical Equation Balancing
Limiting Reactants
Stoichiometry

4.C: States of Matter

4.C.1: Describe how the motion of atoms and molecules in solids, liquids, and gases changes as heat energy is increased or decreased.

4.C.1.a: Based on data from investigations and video technology, describe and give reasons for what happens to a sample of matter when heat energy is added to it (most substances expand).

Phase Changes

4.C.1.b: Describe what the temperature of a solid, or a liquid, or a gas reveals about the motion of its atoms and molecules.

Boyle's Law and Charles' Law
Freezing Point of Salt Water
Phase Changes
Temperature and Particle Motion

4.C.1.c: Formulate an explanation for the different characterisctics and behaviors of solids, liquids, and gases using an analysis of the data gathered on the motion and arrangement of atoms and molecules.

Freezing Point of Salt Water
Phase Changes
Temperature and Particle Motion

4.D: Physical and Chemical Changes

4.D.1: Compare compounds and mixtures based on data from investigations and research.

4.D.1.b: Use evidence from data gathered to explain why the components of compounds cannot be separated using physical properties.

Covalent Bonds
Dehydration Synthesis

4.D.2: Cite evidence and give examples of chemical properties of substances.

4.D.2.b: Use information gathered from investigations using indicators to classify materials as acidic, basic, or neutral.

pH Analysis
pH Analysis: Quad Color Indicator

4.D.3: Provide evidence to support the fact that common substances have the ability to change into new substances.

4.D.3.b: Use evidence from observations to identify and describe factors that influence reaction rates.

4.D.3.b.1: Change in temperature

Collision Theory

4.D.3.b.2: Acidity

pH Analysis
pH Analysis: Quad Color Indicator

4.D.3.c: Identify the reactants and products involved in a chemical reaction given a symbolic equation, a word equation, or a description of the reaction.

Balancing Chemical Equations
Chemical Equation Balancing
Covalent Bonds
Ionic Bonds
Limiting Reactants
Stoichiometry

4.D.3.e: Provide examples to explain the difference between a physical change and a chemical change.

Density Experiment: Slice and Dice
Freezing Point of Salt Water

5: Students will use scientific skills and processes to explain the interactions of matter and energy and the energy transformations that occur.

5.A: Mechanics

5.A.1: Develop an explanation of motion using the relationships among time, distance, velocity, and acceleration.

5.A.1.a: Observe, describe, and compare the motions of objects using position, speed, velocity, and the direction.

Atwood Machine
Distance-Time Graphs
Distance-Time and Velocity-Time Graphs
Fan Cart Physics
Roller Coaster Physics

5.A.1.b: Based on data given or collected, graph and calculate average speed using distance and time.

Distance-Time Graphs
Distance-Time and Velocity-Time Graphs

5.A.1.c: Compare accelerated and constant motions using time, distance, and velocity.

Atwood Machine
Distance-Time Graphs
Distance-Time and Velocity-Time Graphs
Inclined Plane - Sliding Objects

5.A.1.d: Describe and calculate acceleration using change in the speed and time.

Distance-Time Graphs
Distance-Time and Velocity-Time Graphs
Freefall Laboratory

5.A.2: Identify and relate formal ideas (Newton's Laws) about the interaction of force and motion to real world experiences.

5.A.2.a: Investigate and explain the interaction of force and motion that causes objects that are at rest to move.

2D Collisions
Air Track
Atwood Machine
Fan Cart Physics
Uniform Circular Motion

5.A.2.b: Demonstrate and explain, through a variety of examples, that moving objects will stay in motion at the same speed and in the same direction unless acted on by an unbalanced force.

2D Collisions
Fan Cart Physics
Roller Coaster Physics
Uniform Circular Motion

5.A.2.c: Investigate and collect data from multiple trials, about the motion that explain the motion that results when the same force acts on objects of different mass; and when different amounts of force act on objects of the same mass.

Atwood Machine
Fan Cart Physics

5.A.2.d: Based on data collected and organized, explain qualitatively the relationship between net force applied to an object and its mass for a given acceleration.

Atwood Machine
Fan Cart Physics
Inclined Plane - Simple Machine
Inclined Plane - Sliding Objects
Uniform Circular Motion

5.A.2.e: Calculate the net force given the mass and acceleration.

Atwood Machine
Fan Cart Physics
Inclined Plane - Simple Machine
Inclined Plane - Sliding Objects
Uniform Circular Motion

5.A.3: Recognize and explain that every object exerts gravitational force on every other object.

5.A.3.a: Explain the difference between mass and weight.

5.A.3.a.1: Mass is a measure of inertia

Air Track
Atwood Machine
Fan Cart Physics
Period of Mass on a Spring
Period of a Pendulum
Simple Harmonic Motion
Uniform Circular Motion

5.A.3.a.2: Weight is a measure of the force of gravity.

Atwood Machine
Beam to Moon (Ratios and Proportions)
Freefall Laboratory
Inclined Plane - Sliding Objects

5.A.3.b: Describe the relationship between the gravitational force and the masses of the attracting objects.

Gravitational Force

5.A.3.c: Describe the relationship between the gravitational force and the distance between the attracting objects.

Gravitational Force

5.A.3.e: Recognize that gravity is the force that holds planets, moons, and satellites in their orbits.

Gravitational Force
Orbital Motion - Kepler's Laws
Tides

5.A.4: Recognize and explain that energy can neither be created nor destroyed; rather it changes form or is transferred through the action of forces.

5.A.4.a: Observe and describe the relationship between the distance an object is moved by a force and the change in its potential energy or kinetic energy, such as in a slingshot, in mechanical toys, the position of an object and its potential energy..

Air Track
Energy Conversion in a System
Energy of a Pendulum
Inclined Plane - Rolling Objects
Inclined Plane - Simple Machine
Inclined Plane - Sliding Objects
Period of a Pendulum
Roller Coaster Physics
Simple Harmonic Motion

5.A.4.b: Identify the relationship between the amount of energy transferred (work) to the product of the applied force and the distance moved in the direction of that force.

Energy Conversion in a System
Inclined Plane - Simple Machine
Pulley Lab

5.A.4.c: Identify and describe that simple machines (levers and inclined planes) may reduce the amount of effort required to do work.

5.A.4.c.1: Calculate input and output work using force and distance

Inclined Plane - Simple Machine
Pulley Lab

5.A.4.c.2: Demonstrate that input work is always greater than output work

Inclined Plane - Simple Machine
Pulley Lab
Torque and Moment of Inertia

5.B: Thermodynamics

5.B.1: Describe and cite evidence that heat can be transferred by conduction, convection and radiation.

5.B.1.a: Based on observable phenomena, identify and describe examples of heat being transferred through conduction and through convection.

Calorimetry Lab
Heat Transfer by Conduction

5.B.2: Identify and explain that heat energy is a product of the conversion of one form of energy to another.

5.B.2.a: Identify and describe the various forms of energy that are transformed in order for systems (living and non-living) to operate.

5.B.2.a.1: Chemical - Flashlight-Light

Energy Conversion in a System

5.B.2.a.2: Mechanical - Pulleys-Motion

Energy Conversion in a System
Energy of a Pendulum
Inclined Plane - Sliding Objects
Period of a Pendulum
Pulley Lab
Roller Coaster Physics
Simple Harmonic Motion

5.B.2.a.3: Solar/Radiant - Solar calculator Mechanical

Energy Conversion in a System
Energy of a Pendulum
Inclined Plane - Sliding Objects
Period of a Pendulum
Simple Harmonic Motion

5.B.2.a.4: Chemical - Plant cells

Energy Conversion in a System

5.B.2.b: Explain that some heat energy is always lost from a system during energy transformations.

Calorimetry Lab
Energy Conversion in a System

6: Students will use scientific skills and processes to explain the interactions of environmental factors (living and nonliving) and analyze their impact from a local to a global perspective.

6.B: Environmental Issues

6.B.1: Recognize and explain how human activities can accelerate or magnify many naturally occurring changes.

6.B.1.a: Based on data from research identify and describe how natural processes change the environment.

6.B.1.a.1: Cyclic climate change

Rabbit Population by Season

6.B.1.a.3: Population cycles

Food Chain
Rabbit Population by Season

6.B.1.b: Identify and describe how human activities produce changes in natural processes:

6.B.1.b.1: Climate change

Rabbit Population by Season
Water Pollution

6.B.1.b.2: Loss of habitat

Rabbit Population by Season
Water Pollution

6.B.1.b.4: Cycling of matter

Water Pollution

Correlation last revised: 10/22/2009

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