2: Students know and understand common properties, forms, and changes in matter and energy.

2.1: physical properties of solids, liquids, gases and the plasma state and their changes can be explained using the particulate nature of matter model

Phase Changes
Phases of Water
Basic Prism

2.3: mass is conserved in a chemical or physical change

Chemical Changes
Chemical Equations

2.4: mass and weight can be distinguished

Weight and Mass

2.5: all matter is made up of atoms that are comprised of protons, neutrons and electrons and when a substance is made up of only one type of atom it is an element

Element Builder

2.7: quantities (for example: time, distance, mass, force) that characterize moving objects and their interactions within a system (for example, force, speed, velocity, potential energy, kinetic energy) can be described, measured and calculated

Air Track
Distance-Time Graphs
Free Fall Tower
Free-Fall Laboratory
Inclined Plane - Sliding Objects
Measuring Motion
Roller Coaster Physics
Sled Wars

2.8: that there are different forms of energy and those forms of energy can be transferred and stored (for example: kinetic, potential) but total energy is conserved

2D Collisions
Air Track
Energy Conversion in a System
Energy Conversions
Energy of a Pendulum
Inclined Plane - Sliding Objects
Roller Coaster Physics

2.9: electric circuits provide a means of transferring electrical energy when heat, light, sound, magnetic effects and chemical changes are produced

Magnetic Induction

3: Students know and understand the characteristics and structure of living things, the processes of life, and how living things interact with each other and their environment.

3.1: classification schemes can be used to understand the structure of organisms

Dichotomous Keys
Human Karyotyping

3.2: human body systems have specific functions and interaction (for example: circulatory and respiratory, muscular and skeletal)

Circulatory System
Digestive System

3.4: multicellular organisms have a variety of ways to get food and other matter to their cells (for example: digestion, transport of nutrients by circulatory system)

Circulatory System

3.5: photosynthesis and cellular respiration are basic processes of life (for example, set up a terrarium or aquarium and make changes such as blocking out light)

Cell Energy Cycle

3.6: different types of cells have basic structures, components and functions (for example: cell membrane, nucleus, cytoplasm, chloroplast, single-celled organisms in pond water, Elodea, onion cell, human cheek cell)

Cell Energy Cycle
Cell Structure
Paramecium Homeostasis
RNA and Protein Synthesis

3.7: there are noncommunicable conditions and communicable diseases (for example: heart disease and chicken pox)

Disease Spread

3.8: there is a flow of energy and matter in an ecosystem (for example: as modeled in a food chain, web, pyramid, decomposition)

Carbon Cycle
Cell Energy Cycle
Food Chain
Forest Ecosystem
Prairie Ecosystem

3.9: asexual and sexual cell reproduction/division can be differentiated

Cell Division

3.11: changes in environmental conditions can affect the survival of individual organisms, populations, and entire species

Natural Selection
Rabbit Population by Season
Rainfall and Bird Beaks

3.13: individual organisms with certain traits are more likely than others to survive and have offspring.

Evolution: Mutation and Selection
Evolution: Natural and Artificial Selection
Rainfall and Bird Beaks

4: Students know and understand the processes and interactions of Earth's systems and the structure and dynamics of Earth and other objects in space.

4.2: humans use renewable and nonrenewable resources (for example: forests and fossil fuels)

Energy Conversions

4.4: major geological events such as earthquakes, volcanic eruptions, and mountain building are associated with plate boundaries and attributed to plate motions

Plate Tectonics

4.9: there are quantitative changes in weather conditions over time and space (for example: humidity, temperature, air pressure, cloud cover, wind, precipitation)

Coastal Winds and Clouds
Hurricane Motion
Relative Humidity
Weather Maps

4.1: inter-relationships exist between minerals, rocks, and soils

Weather Maps

4.11: the world?s water is distributed and circulated through oceans, glaciers, rivers, groundwater, and atmosphere

Water Cycle

4.12: the ocean has a certain composition and physical characteristics (for example: currents, waves, features of the ocean floor, salinity, and tides)

Tides

4.14: relative motion, axes tilt and positions of the Sun, Earth, and Moon have observable effects (for example: seasons, eclipses, moon phases)

2D Eclipse
3D Eclipse
Moonrise, Moonset, and Phases
Phases of the Moon
Seasons Around the World
Seasons in 3D
Seasons: Why do we have them?
Summer and Winter
Tides