Riddle Me This In British Columbia you cannot

Riddle Me This � In British Columbia you cannot take a picture of a man with a wooden leg. Why not? � It's a stormy night and a plane takes off from JFK airport in New York. The storm worsens, and the plane crashes - half lands in the United States, the other half lands in Canada. In which country do you bury the survivors? � Johnny's Mother had three children. The first child was named April. The second child was named May. What was the third child’s name?

Entry Task � If one guppy requires 5 L of water to live happily, what is the maximum number of guppies that should be kept in this aquarium? � 1 cubic cm =. 001 L

10. 5 – Density

10. 5 Displacement and Density � Read page 551 through example A

Example 1 �A stone is placed in a 5 cm-diameter graduated cylinder, causing the water level in the cylinder to rise 2. 7 cm. What is the volume of the stone?

Example 2 � When a chunk of metal is dropped into a container of water, the water level rises 1. 2 cm. The container is shaped like a square prism, with a base that measures 4 cm on each side. What is the density of the metal if its mass is 52 grams? (Express your answer in grams/cm 3, rounded to the nearest thousandth. )

Example 3 � Which has more mass: a solid cylinder of gold with a height of 5 cm and a diameter of 6 cm or a solid cone of platinum with a height of 21 cm and a diameter of 8 cm?

Example 4 �A Chemist is given a clump of metal and is told that it is sodium. He finds that the metal has a mass of 145. 5 g. He places it into a nonreactive liquid in a square prism whose base measures 10 cm on each edge. The liquid rose 2 cm. Is the metal sodium? How do you know?

Homework � Pg. 552 #1 -4, 7 -10