An envelope. It indicates the ability to send an email. If you have metal fillings and you've accidently put tin foil in your mouth then you'll know it isn't a great feeling. The reason it hurts ...
Not discouraged by having forgotten his antenna, he kludges up a makeshift one using a 20 cm length of aluminum foil (see video demonstration ... unusual items you’ve used as makeshift antennas?
Use the Student Activity Sheet to record the observations you make for each material. 3. Use a piece of felt to demonstrate the four tests students will do on paper, plastic, and aluminum foil. While ...
How could we set up an experiment to see whether paper, plastic, felt, or aluminum foil absorbs water? Put each kind of material in water and observe what happens. Do you think we should try to use ...