Step 1: Have your youngsters find a tall, skinny jar -- the type of jar that pickles or olives are available in works nicely. With a ruler, place 5 tall, narrow rectangles next to the longer, horizontal rectangle, Công ty xây dựng as shown. The 1st step: Draw the pattern proven on the poster board. Methods to make fancy envelopes:Step 1: Draw the envelope sample proven here on a chunk of cardboard. Have them minimize three small equal-dimension pieces of steel wool, and place a bit into every check tube. Step 5: Have your children examine the colour in each test tube. Only the steel wool in test tube three rusted. They need to put two tablespoons of the indicator into every take a look at tube. Step 4: Ask your kids so as to add one cup oil and two teaspoons vinegar.