Show students the four liquids they will be working with: water, salt water, alcohol, and detergent solution. Tell students that since the liquids are different, they should look and act differently ...

Risk factors: Other factors that can increase the risk of stomach cancer include salt, smoking, alcohol and a diet low in fruits and vegetables. Know your risk: If you are concerned about stomach ...

Students will test the same liquids as in Lesson 2.2 - water, salt water, alcohol, and detergent solution. But in this activity, all the liquids tested are colored yellow. Students will mix these ...