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.
Teach Engineering
Basically Acidic Ink
If you don't want to drink red cabbage juice, here's another use for it—a decoder! Using vinegar and ammonia-based window cleaning liquids as invisible inks, scholars create designs in the second lesson of the series. Red cabbage juice...
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!
Pupils explore how chemical reactions occur. After a brief discussion of household chemicals and how they work, students prepare a solution of invisible ink. Pupils create a message with their ink and watch the reaction as their ink...
Curated OER
Invisible Ink - Demonstration
Students 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
Students 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...
Science Struck
Science Struck: Make Invisible Ink for Your Science Fair Project
Three methods of making invisible ink are demonstrated with illustrations and step-by-step instructions.
TeachEngineering
Teach Engineering: Engineering Out of Harry Situations
Under the "The Science Behind Harry Potter" theme, a succession of diverse complex scientific topics are presented to students through direct immersive interaction. Student interest is piqued by the incorporation of popular culture into...