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To see effects of temperature and pressure on volume of gases.
Equipment and Materials
2 hot plates
plastic pop bottle
2 large beakers
Set on front long desk 5 different stations.
Station #1- put a sponge
Station #2- have a vacuum pump with marshmallows
Station #3- have a tea kettle with boiling water
Station #4- put a bottle filled with water and a dropper inside (Cartesian
Station #5- have one balloon in ice and one balloon in hot boiling water
Form 4 groups of 3 students and assign them to a station. Wait 5 mins. then rotate
the group of students to the next station. Every group will get a turn to work with
the materials on each station. Have students answer questions from handout while on
each station. Discuss results.
Additional Strategy For Primary Students
Children will participate in a pantomime dealing with the effects of temperature on a
flask sealed with a balloon. Teacher will place the flask on ice, after one minute
it will be removed. Using pantomime, presenter will call a student up to the front
of the room and have the child put their hands on the flask. Presenter will then
guide the class in a non-verbal discussion about what is noted about the flask and