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Directions for Answering the Science Sample Questions - page 12 / 16

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SAMPLE 8

FCAT Science Sample Questions

12

Kevin hypothesized that dark colors absorb more heat than light colors. He put equal quantities of water in a can covered with black paper and in a can covered with white paper. Kevin measured the temperature of the water in each can at regular intervals on several sunny days. He constructed a graph to display the average temperature of each can over the course of his experiment.

WATER IN A CAN

Temperature of Water (degrees Celsius)

30 28 26 24 22 20

KEY

Water in black can Water in white can

  • 0

    1

2

3

456

7

8

9

10

Time in Sun (minutes)

Which of the following actions made Kevin’s experiment more valid?

. F. G. H. I

H He graphed his results. He used a lengthy procedure. He repeated his experiment on several days. e r e c o r d e d t h e t e m p e r a t u r e i n m e t r i c u n i t s

.

13

The population of the world continues to grow, creating an increased need for fuel to heat our homes, schools, and workplaces. Which of the following would best conserve Earth’s natural resources?

  • A.

    using more electricity as a source of heat

  • B.

    using more solar energy as a source of heat

  • C.

    using more coal or charcoal as a source of heat

  • D.

    using more oil or natural gas as a source of heat

Page 12

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