HOMEWORK: CHARGING BY INDUCTION
1. Which of the following are examples of charging by induction? Explain how you
know (2 marks)
(a) static Cling on clothes
(b) bringing a charged rod near a neutral electroscope
(c) attracting pieces of foam with a charged comb
(d) hair standing on end after you have taken off a hat.

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens