8.1.2: Why do individuals have different traits?

Building DNA
Evolution: Mutation and Selection
Evolution: Natural and Artificial Selection

8.1.3: How can populations change?

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

8.1.4: What limits a population?s ability to adapt to a changing environment?

Evolution: Mutation and Selection
Microevolution
Natural Selection
Rainfall and Bird Beaks - Metric

8.3: How Sound and Light Feed Our Senses

8.3.2: How does sound travel?

Doppler Shift
Longitudinal Waves
Ripple Tank
Waves

8.3.3: What does wave energy affect?

Sound Beats and Sine Waves
Waves

8.3.4: How can we control sound waves?

Sound Beats and Sine Waves

8.3.5: How do our senses work?

Senses
Sight vs. Sound Reactions

8.3.6: How can light cause something to look different?

Color Absorption
Heat Absorption

8.3.7: What affects how light travels?

Basic Prism
Laser Reflection
Refraction

8.3.8: Why don?t we always hear sounds and see light at the same time?

Sight vs. Sound Reactions

8.5A: Understanding Climate

8.5A.2: How is solar energy input distributed on Earth's surface?

Seasons Around the World
Seasons in 3D
Seasons: Why do we have them?
Summer and Winter

8.5A.3: How does energy from the sun impact ocean water?

Convection Cells

8.5A.4: How does energy from the sun impact the atmosphere?

Coastal Winds and Clouds
Coastal Winds and Clouds - Metric
Relative Humidity

8.5A.5: How are regional climate patterns caused by atmospheric and oceanic flows?

Hurricane Motion
Hurricane Motion - Metric
Weather Maps
Weather Maps - Metric

8.5A.6: How are climate patterns affected by the location of oceans and continents?

Coastal Winds and Clouds
Coastal Winds and Clouds - Metric
Comparing Climates (Metric)

8.5B: Making Weather Predictions

8.5B.3: How do air masses interact to cause snowstorms?

Weather Maps
Weather Maps - Metric

8.6: Reducing the Impacts of Natural Hazards

8.6.2: How can we predict where a natural hazard like a flood will occur?

Hurricane Motion
Hurricane Motion - Metric
Plate Tectonics

8.6.4: What are the impacts of natural hazards? Which natural hazard events have had the greatest impact in the past?

Hurricane Motion
Hurricane Motion - Metric

8.6.5: What causes natural hazards to occur in some places and not in others?

Plate Tectonics

8.6.6: To what extent can we reliably predict when natural hazard events will occur?

Hurricane Motion
Hurricane Motion - Metric

8.7: Living In Greenhouse Earth: Global Climate Change

8.7.3: How does Earth?s atmosphere impact the mean surface temperature?

Carbon Cycle
Greenhouse Effect
Greenhouse Effect - Metric

8.7.6: What are some of the impacts on people and the natural environment caused by current climate change? 

Coral Reefs 1 - Abiotic Factors