ocean
Tags: [ecosystem, food chain, echolocation, orca, ocean, stream, marine, salmon, stewardship, coastal, animals, green, grade 4, grade 7, fish]  ...
... the strength of the plates, the rocks crunch or break suddenly, resulting in features such as mountains, volcanoes, mid-ocean ridges, oceanic trenches, and, of course, earthquakes. This activity shows ...
... waves move in the ocean. They can only move through solids. Objectives Students will be able to: Explain the difference between s-waves and p-waves Use a slinky to model s-waves and p-waves Entire ...
... from moving water), geothermal energy (heat energy from the earth) and energy from the sun, wind, oceans, and the earth's biomass (such as wood). In 2005, almost 61 per cent of Canada's electricity (and ...
... and open ocean, but are also often found close to shore. These small whales are very large compared to land animals, with adult males having dorsal fins up to 2 metres tall. Orcas: are mammals are ...
... oceans (Pacific, Atlantic, Indian, Southern, Arctic). Less than one per cent of the world's oceans are protected by law as Marine Protected Areas or Marine Parks. Over 80 per cent of marine pollution ...
... from oceans. Any plant or animal that lives within this environment must be tolerant to a wide variety of conditions—low and high salt, hot and cold temperatures. Most Pacific salmon are born in fresh ...
... in an estuary and mixes with ocean water, the river water is less dense, and sits on the surface until the ocean or tidal currents mix the two. Objectives Students will be able to: Describe ...
In this demonstration, students learn about the affect of oil on aquatic environments. Introduction Bacteria can be used to clean up oil spills in the ocean through bioremediation. Bioremediation ...
...  Introduction The water cycle: Rain falls and collects into streams, then rivers, then pools in lakes, more rivers lead to the oceans. In the ocean, the water evaporates and rises ...
... That is why icebergs can float on ocean water. Objectives Students will be able to: Describe properties of the different states of water. Entire ...
... Animals that live in the same sort of conditions may have similar features. For example, most mammals that live in the northern Pacific Ocean (whales, sea lions, seals) grow a thick layer of blubber to ...
... to plenty of clean water, but the water supply isn’t limitless. The water cycle, in which water evaporates from rivers, lakes and oceans into clouds and falls again as rain, provides Vancouver with an ...
... diverse, complex webs of marine life which humans are directly and indirectly connected to. This resource investigates several ecosystems that interact within the ocean, and the impact of human activities ...
... 1960. It ruptured a segment of fault more than 1,300 km long and caused a tsunami that wreaked destruction around the Pacific Ocean area, including Hawaii and Japan. In this case, the earthquake occurred ...
... sap looks like milk and is exported in large ocean tanker ships. Once removed from the tree, the sap is called latex. To make this suitable for balloon production, curing agents, accelerators, oil, color, ...
17. Air
... to compress you. To help us visualize air pressure, imagine that we're living at the bottom of an ocean of air. At sea level, the air pressure is greater than on the top of a mountain since you have the ...
... of this energy is directly reflected back into space. The rest is absorbed by clouds, oceans and land masses. Solar energy is electromagnetic radiation (including infrared, visible and ultraviolet light) ...
... Pacific Ocean. They often travel for thousands of kilometres then miraculously return to the river of their birth. Pacific salmon are also semelparous, meaning they die after they spawn. Atlantic salmon ...