Type:

Other

Description:

In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream. Pairs of learners will combine ingredients in a plastic bag and then add varying amounts of rock salt to each bag. Learners will estimate how long it will take for their mixture to freeze and then measure the actual freezing times. At the end of the activity, learners can eat their ice cream! This resource explains how salt content lowers freezing points and includes tips about cold weather safety.

Subjects:

  • Mathematics > General
  • Education > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12

Keywords:

Informal Education,Data Analysis,Oceanography,NSDL,Gases,freeze,Conducting Investigations,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-056,Health and Nutrition,Mathematics,Heat and Temperature,frostbite,Oceans and Water,hypothermia,Materials science,Data Collection,winter,Chemistry,crystallization,Engineering,ice,Atmospheric science,Changes of Phase,Liquids,Elementary School,Gathering Data,Life Science,General science,Earth system science,freezing point,Middle School,Early Elementary,water,Solids,Education,Health/Medicine,Weather and Climate,States of Matter,Biological science,Physics,Atmosphere,oai:nsdl.org:2200/20110926134727960T,Upper Elementary,Heat and Thermodynamics,Technology,solution,salinity,Rate,General,Solutions,Measurement,Physical science,Structure and Properties of Matter,salt,Geoscience

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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