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Bell Ringer. Describe the water cycle in complete sentences. You are going to observe pond water from Sanford NC Draw what you see under the microscope. Materials Pond water Microscope Plastic Dropper Slide Cover slip Paper Pencil. Discover Activity.
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Bell Ringer • Describe the water cycle in complete sentences.
You are going to observe pond water from Sanford NC Draw what you see under the microscope. Materials Pond water Microscope Plastic Dropper Slide Cover slip Paper Pencil Discover Activity
Streams that come together and from a river. Theses streams flow into a small river. Headwater
Streams and rivers that feed into a main river. Flow downward because of gravity Tributaries
A river and all of its tributaries River System
One watershed that is separated from another by a ridge of land Streams on each side flow in different directions. Divide
Form when water collects in hollows and low lying areas of lands. Also can be created by a dam (man-made) Ponds and Lakes
A lake that stores water for human use. Reservoir
Change for many reasons. Besides seasonal change a lake can undergo long term changes and lead to its death. Lakes
As the top layer cools, it becomes denser and sinks. This causes the lake waters to mix. This mixing, also called turnover, causes materials to rise from the lake bottom. This refreshes the nutrients Seasonal Changes
Substances such as nitrogen and phosphorus that enable plants and algae to grow. Nutrients
Eutrophication. Algae Blocks out sunlight because it becomes to thick No sunlight No photosynthesis Death to pond/lake
Homework • Pg. 73 • Write out the question first • 1-3 all