Curated OER
How to Make Invisible Ink
Students learn how to make two types of invisible ink. In this invisible ink lesson plan, students will make two types of invisible ink using common house hold items. They will then write a paper comparing and contrasting each type of ink.
Curated OER
Ink
Here is an interesting lesson that has learners make ink from two common food items. First, they make ink from beets, then they make ink from onions. The recipes necessary for each are present in the plan. The special thing about the ink...
Curated OER
Invisible Ink!
Students explore how chemical reactions occur. After a brief discussion of household chemicals and how they work, students prepare a solution of invisible ink. Students create a message with their ink and watch the reaction as their...
Curated OER
Invisible Ink - Demonstration
Learners observe a demonstration that shows that the indicator, phenolphthalein, is a chemical that displays different colors depending on either the acidity or the basicity of the environment. They use the substance to reveal secret...
Curated OER
Invisible Ink
Students wxplore acids and indicators by watching a demostration in which "magic" ink appears. They duplicate the demonstration by writing magic messages using phenolphthalein solution and painting the message with vinegar to show it.
Curated OER
Starch
Learners examine the basics of starch and how it is used in food. In this photosynthesis lesson students experiment with variables that affect starch production in photosynthesis.
Curated OER
Food Safety Lab-Part 3 Cross Contamination andHygiene
Students observe the effect of croos contamination as they inoculate orange juice with penicillin mold from the refrigeration lab and active yeast solution from the sterilization lab. They experience a simulation of passing bacteria...