- #How do house flies get oxygen forensics how to
- #How do house flies get oxygen forensics trial
Find the middle of your straws and tape them together in an "X," again using as little tape as possible.Repeat for the second half of your frame.The slit will make the connection stronger, but you'll want to secure it with a little tape for added rigidity.
To connect the straws, cut a small slit (about 1/4 inch) at the bottom of one straw. Each of ours had three straws connected together. You'll need to fasten the straws into two pieces of identical length for the frame. If using flexible straws, cut off the bendable part so only the straight section remains. #How do house flies get oxygen forensics trial
We simply estimated and used trial and error until our frame fit snugly inside the bag's opening.
Measure the width of your plastic bag's opening and determine how long your straw frame should be. Fold the edge of the aluminum foil in 1/4 to 1/2 inch, forming a 'wall' to contain the wax as it burns, so it won't drip outside the basket. If this does happen, simply melt more wax and secure the candle in place again. Be gentle with the baskets, as too mush jostling will dislodge the candles. Repeat with the remaining candles, placing them 1" in from the other three corners. Before the wax hardens, press the end of the candle into the melted wax and hold it in place until the candle stands upright on its own. Use the lighter to melt wax from the bottom end of the candle so it forms a pool about 1" in from the corner of the aluminum foil. *If using a dry cleaner's bag, you'll need to seal the hole at the top that the hanger goes through. String (if flying your balloon in a space where it can travel beyond your reach). 
Ultra-thin garbage bag (like those lining office trash cans and those that dry cleaners use*).
#How do house flies get oxygen forensics how to
How to Make a Hot Air Balloon What You Need: Keep a fire extinguisher or smothering method within reach at all times. Young children often put their faces close when blowing out candles! Make sure there are no flammable liquids nearby. Please use extreme caution around the open flame.
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