第1个回答 2011-11-02
Purpose of the experiment: to see what happens when mixing cooking oil with water.
Experimental equipments and materials: a glass cup, water, a spoon of cooking oil and a chopstick
Steps: 1. Water is poured into the cup in a half of volume.
2: A spoon of cooking oil is added. Observe any changes.
3 Stir the mixture with a chopstick for a while and then observe.
Results: Whether or not stirring, cooking oil is floating on the water surface. It does not react with water.
第2个回答 2011-10-31
Experimental purpose ： see the oil in the water will be like? the equipment ： the glass, who, one scoop of oil, and a chopstick steps ： 1. the water into the glass, and a half cup below. 2. in a spoonful of oil, there is any change 3. to use chopsticks （) stir up and stop observations. the experimental results ： whether or not, oil and water are floating on the surface of water, and in response.
第3个回答 2011-10-23
Purpose of the experiment: to see what happens when mixing cooking oil with water.
Experimental equipments and materials: a glass cup, water, a spoonf of cooking oil and a chopstick
Steps: 1. Water is poured into the cup in a half of volume.
2: A spoon of cooking oil is added and then observe if there are any changes.
3 Stir the mixture with a chopstick for a while and then stop stirring to observe.
Results: Whether stirring or not , cooking oil is floating on the water surface. It does not react with water.
第4个回答 2011-10-22
Purpose of the experiment: to see where the oil drain look like?
Experimental equipment: glass, who, a spoonful of oil, a chopstick
Steps: 1. The water poured into the glass, half a cup can be.
(2) pour a spoonful of oil, any changes observed
(3) Stir with chopsticks (stir) about, to stop after observation.
Results: whether or not mixing, cooking oil are floating on the water surface, does not react with water.