Page 14 - Kindergarten.indd

37 Which of these organisms is most likely a producer in a marine ecosystem?

A. fish
B. gull
C. algae
D. worm

A scientist finds the bones of a dinosaur. Which of the following would best be
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used by the scientist to determine the approximate age of the dinosaur bones?

A. The birds living in the area of the bones
B. The weather conditions in the area of the bones
C. The kinds of trees living in the area of the bones
D. The index fossils in the area of the bones

39 An aluminum (metal) bar is submerged into two cups of water. The left side of

the bar is placed in Cup A at an initial temperature of 100°C and the right side of
the bar is placed in Cup B with an initial temperature of 0°C .

What is most likely happening to the temperature of the water?

A. the temperature of the water in Cup A is increasing
B. the temperature of the water in Cup B is increasing
C. the temperature of the water in Cup A drops to 0°C
D. the temperature of the water in Cup A and Cup B remain the same

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