The water planet UnitUnit 合肥二中 李郁青

Period 1 Warming up Reading (1)

Dear User, Shame to you all, the Ignorant, I am your life But you seem not to value me Give me all the respect For in me is eternal life If you continue abusing me Surely, all forms of life will wither away Have you ever imagined, Life without me? I tell you, it will be unbearable Think twice For every drop counts... A letter from ___________ water

Collect as many words as possible related to water. wate r river lake ocean fish sweat ice steam rain

properties What properties or characteristics do you know about water? colorless tasteless odorless three forms feeling wet absorbing heat dissolving

What property of water does each of the four experiments illustrate? What property of water does each of the four experiments illustrate? What causes this phenomenon? What causes this phenomenon? What’s this phenomenon related to? What’s this phenomenon related to?

Experiments

Experiment 1 shows how air pressure causes a piece of thick paper to cling to an upturned glass of water. Experiment 1 shows how air pressure causes a piece of thick paper to cling to an upturned glass of water. 1

Experiment 2 illustrates how substances with different density behave when placed in the same container. Experiment 2 illustrates how substances with different density behave when placed in the same container. 2

Experiment 3 is an example of how water dissolves substances and objects. Experiment 3 is an example of how water dissolves substances and objects. 3

Experiment 4 illustrates some of the differences between salt water and fresh water. Experiment 4 illustrates some of the differences between salt water and fresh water. 4

 What other properties of water do you know?  What do you think causes the following phenomena? phenomena? We can get a lot of nutrients in the soup. We can get a lot of nutrients in the soup. Wood floats on water while iron sinks. Wood floats on water while iron sinks. The coastal areas are often neither too hot nor The coastal areas are often neither too hot nor too cold. too cold. Why can some living things live at the bottom Why can some living things live at the bottom of the ocean where there is no sunshine? of the ocean where there is no sunshine?

Questions related to the subjects What is/ are _____________________? What is/ are _____________________? What does _____________________ look like? What does _____________________ look like? What are different parts of __________? What are different parts of __________? What can ___________ be compared to? What can ___________ be compared to? How does ___________ work? How does ___________ work? What are some examples of ______________? What are some examples of ______________? the properties of water (one property of water) the oceans life in the ocean

The Properties of Water

Find out as many words and phrases as possible about water properties in the text.

Find out some basic facts about life in the oceans

Basic facts about life in the oceans from the opening paragraph : Life on earth began in the oceans about three billion years ago; 99% of the living space on earth is in the oceans; There are about five million (known) species in the oceans; Life in the oceans ranges from tiny plankton to giant whales.

Read the text carefully and find out the detailed information about water properties. Read the text carefully and find out the detailed information about water properties. Think as many examples as possible to illustrate water properties. Think as many examples as possible to illustrate water properties. HomeworkHomework