• Nitrogen Cycle
• Brainpop: Carbon Cycle
• Brainpop:Photosynthesis
• Brainpop:Greenhouse Effect
• Brainpop: Water Cycle
• Ecology Facts
• Photosynthesis Information

Biomes

• Rainforest Plants & Animals
• Tundra
• All About Nature
• Desert

Earth's History

• Mountain Maker, Earth Shaker
• Earth's Changing Surface
• Playing with Time
• Plate Tectonics
• USGS: Plate Boundaries
  

Mixtures & Solutions

• Harcourt Science (English)
• Harcourt Science (Spanish)

Click on the link above, then click on Unit E (Unidad E).

Earth & Moon
Space

• Hubble Space Telescope's Amazing Space
• Planet History, Characteristice, & Moons
• Nine Planets
• Solar Views
• NASA Kids
• Astronomia

Sunspots

• NASA Sunspot Information
• Sun Watchers from Long Ago
• Sun-Earth Connection

Moon

• Adler Planetarium
• Moon Hoax
• Phases of the Moon

Circuits

• What is a circuit
• Revise Wise
• AC/DC What's the Difference?
• Electric Circuits

Energy & Electricity

• Brainpop: Electricity
• Edison's Miracle of Light
• What is Energy?
• Electricity Online
• Great Projects: The Building of America
• Greatest Achievements: Electrification
• The Atoms Family
• Theater of Electricity
  

Light Energy

• ReviseWise
• Readings on Light
• Optics for Kids
• The Human Eye
• Physics of Light and Color
• Vocabulary Hangman

Weather

• Storms
• Hurricanes

Gravity

• Objects on Earth
  
  

Inherited Traits

• Activities on Inherited Traits

Nature of Science

• I Have Einstein's Rules Clear (scientific method)

Landforms

• Erosion in the Grand Canyon

Reflection & Refraction

• How Telescopes Work
• Interactive Reflection Tutorial
• Optics for Kids
• A-Z Microscope
• Glass-Sphere Microscope

Sound

• How is Sound Created?
• Hunkin's Experiments
• Brainpop: Sound
  

Tree Growth Rings

• Tree Rings

Non Renewable Resources

• Eco-Pros