Learn all about the water cycle, the amazing process that keeps water moving around our planet. Simple explanations and diagrams show how water evaporates from the ocean, gathers as clouds in the sky, and falls as rain. Read about the natural places on Earth where water collects and is stored, and how important the water cycle is to human life.
World's water- Where does water come from?- How do rivers form?- Lakes, ponds, and wetlands- How do people get water?- How is water used?- Importance of clean water -- Water and population growth- Case study: Sinking city- How does water get polluted?- Case study: Ganges River- Water and farming- Land use and water- Case study: Drought in Australia -Water and the natural world- Animals under threat- Investigating water stresses- Future- Further resources- Glossary- Index. Gr.4-7
The sea king -- Before Cousteau -- Cousteau's early life -- Exploring in wartime -- Voyages on the Calypso -- The conservationist -- Cousteau's inventions -- Life at sea -- After Cousteau -- Cousteau's legacy.
What causes ocean currents? How do they affect the Earth's environment? How have they affected the course of human history? Students gain fascinating insights into our world through these innovative hands-on activities. Students explore how wind, temperature, salinity, and density set water into motion.
Describes the deep, underwater, volcanic mountains in the middle of the Atlantic ocean, and the remarkable creatures that live there in conditions inhospitable to most other forms of life.
The story of the blue whale skeleton on permanent display at the Beaty Biodiversity Museum. the story is complemented with facts about blue whales and their environment, and the process museums go through to uncover, prepare and reassemble skeletons for display and study.
People will see different creatures in an ocean than they will in a lake. The difference is the amount of salt in the water each creature needs to survive. This book outlines the difference between such creatures, provides a quiz to test a student’s knowledge, and details the creatures that can live in both environments. Gr.4-6
DVD: TheGreat Lakes: Who Owns the Water? :Access to freshwater is a growing concern for all people and the Great Lakes in North America containing 20% of the world's fresh surface water discussion about who should have access to these waters and what effect removing the water could have. Gr.6-10