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FCAT Science Sample Questions

SAMPLE 8

Name of Planet

Average Distance from Sun (millions of km)

Period of Revolution (Earth days)

Mercury Venus Earth

58 108

88 225

150

365

THE SOLAR SYSTEM

10

The table below shows the distance from the Sun and the period of revolution of the first three planets in the Solar System.

Based on the data in the table, approximately how many planetary years does Mercury complete during the length of time that Earth has one planetary year?

F.

1 4

of a year

G.

4 years

  • H.

    6 years

  • I.

    24 years

11

A layer of small rock and mineral particles can provide a surface for plant growth. Plants can eventually grow to cover this surface, while their roots spread out beneath the surface. Which natural process can most likely be reduced or prevented by the introduction of such plant growth?

  • A.

    erosion

  • B.

    flooding

  • C.

    weathering

  • D.

    soil formation

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