Janice VanCleave's A+ Projects in Earth Science

JANICE VANCLEAVE was an award-winning science teacher before deciding to devote her time to writing and giving science workshops. She is the author of more than 40 children's science books, with sales totaling more than one million copies.

• MAPPING THE EARTH. Maps and Globes: Terrestrial Guides. Topography: Highs and Lows of the Earth's Surface. THE EARTH AND SPACE. Rotation: The Spinning of the Earth on Its Axis. Heliocentric: The Earth's Solar System. Night Light: The Structure and Movement of the Earth's Moon. Mobile Stars: The Apparent Movement of Stars. Time: Day Lengths and Time Zones. Early Methods: Ancient Techniques of Determining the Earth's Sizeand Shape. PHYSICAL COMPOSITION OF THE EARTH. Elements: The Earth's Building Blocks. The Earth's Layers: Chemical and Physical Properties of theEarth. THE EARTH'S LITHOSPHERE. Minerals: Distinguishing Physical Characteristics ofMinerals. Crystals: Distinguishing Physical Characteristics ofCrystals. The Rock Cycle: Processes That Change One Rock Type intoAnother. Erosion: The Breakdown and Movement of Crustal Material. Rock Sandwiches: Layering of Regolith Particles. Soil Texture: Effects of Regolith Size. Crustal Bending: Deformation of the Earth's Crust. Faulting: The Earth's Crustal Breaking Point. Plate Tectonics: Floating Crustal Sections. THE EARTH'S HYDROSPHERE. Soundings: Mapping a Profile of the Ocean Floor. Water Waves: Surface Disturbances Due to Energy Transfer. Percolating Water: The Movement of Water Beneath the Earth'sSurface. The Hydrologic Cycle: The Movement of Water from Place toPlace. THE EARTH'S ATMOSPHERE. Atmospheric Energy: Unequal Heating by the Earth's Surface. The Greenhouse Effect: Heat Transfer in the Atmosphere. Convection: Air in Motion. Fronts: Moving Air Masses. Barometric Changes: The Cause and Measurement of AirPressure. Hygrometers: Ways to Measure the Atmosphere's Water Content. Precipitation: Phases of Atmospheric Water. Appendices. Glossary. Index.