Take a kitchen sieve and immerse
it in molten candle wax. Remove
it quickly, shaking off excess wax
so that the wires of the sieve get a
thin coating of wax. Now pour some
water into it. Explain what happens.

The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?

In which of the following would the particles move most rapidly? a. ice at -20 °c b. water at 20 °c c. steam at 110 °c d. boiling water e. ice at 0 °c

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat