Free Presentations in PowerPoint format
  &  Interactive Activities

Earth Science/Space Biology Ecology 
Space  The Five Kingdoms Habitats
Solar System/Planets  Plants  Rain Forests
The Moon Parts of a Plant  Trees/Forests 
Eclipses Photosynthesis  Environmental Science
Astronauts Agriculture Reuse, Reduce, Recycle 
Telescopes Animals Global Warming
Constellations Vertebrates/Invertebrates Chemistry
Earth's Spheres Animal Adaptations Periodic Table
Four Seasons  Endangered Animals Carbon Cycle
Weather  Pets Matter & Energy
Wind  Aquariums States of Matter   
Hurricanes/Tornadoes  Marine Life   Acids, Bases, pH Scale
Thunder/Lightning  Protists & Fungi Forensics for Kids
Floods Bacteria & Viruses  Nanoscience
Winter Storms/Blizzards Cell Structure Physics
Clouds  Genetics, Heredity, DNA Light/Optics
Auroras  Microscopes Sense of Sight
Rainbows  Sorting Organisms  Color Spectrum
Water/Water Cycle  Living Systems/Life Cycles  Optical Illusions 
Rocks/Fossils The Food Chain Sound & Waves
Minerals/Crystals Evolution/Natural Selection Thermo
Petrified Wood Human Body  Electricity
Layers of the Earth Heart Force/Motion/Gravity
Plate Tectonics Teeth Magnets/Magnetism  
Earthquakes Brain Simple Machines
Volcanoes  Skeletons Flight 
Ocean Motion Five Senses  Skydiving & Parachutes
Natural Hazards Nutrition Balloons/Kites
General Science Health   Paper Airplanes
Scientific Method Seasickness/Motion Sickness Lab Work/Lab Safety