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2009 SOL Review 4
Test Description: SOL Review
Instructions: Answer all questions to get your test result.
1) (picture #9) A scale model of the planet Mercury is shown. Based on the scale, which of the following is the most accurate diameter of Mercury?
A
1,000 km
B
5,000 km
C
50,000 km
D
500,000 km
2) Where is water most likely to become contaminated?
A
at the ocean bottom
B
By a dam
C
In a forest
D
Near a cattle farm
3) A student makes a drawing of a carbon atom. Which of these should the student show in the nucleus of the atom?
A
protons
B
electrons
C
ions
D
molecules
4) For separate ecosystems to be classifies as the same type of biome, the must -
A
be located along the equator
B
be at least one hundred square meters in area
C
have deciduous forests
D
have similar organisms and climates
5) Clouds are formed when millions of drops of water become suspended in the air. Which of the following is a step in the process of cloud formation?
A
condensation of water vapor
B
Formation of carbon dioxide
C
breakdown of atmospheric ozone
D
Expansion of cold air
6) (Picture #10) The equation for photosynthesis is shown. Which of these is required to complete the equation for photosynthesis
A
Carbon
B
nitrogen
C
Hydrogen
D
Oxygen
7) (Picture #11) To complete a project, 200,000 Joules of work are needed. The time taken to complete the project is 20 seconds. How much power is needed?
A
1,000,000 J/s
B
10,000 J/s
C
0.0001 J/s
D
200,020 J/s
8) Otters eat shellfish and crustaceans. If changes in biotic factors of the ecosystem result in reduced numbers of shellfish and crustaceans, the otters will most likely -
A
change the genetic makeup of their bodies
B
increase reproduction rates
C
adapt to a different ecosystem
D
Experience a population decline
9) Which of the following best describes why the moon orbits Earth
A
The distance the moon and Earth are from the sun
B
The gravitational attraction between the moon and Earth
C
The winds generated on Earth by the energy of the sun
D
The enrgy reflected from the surface of Earth
10) During a fireworks show a family sees sparkles from a firework and a moment later hears the pop Which of these best explains why they do not seem to occur at the same time
A
light and sound travel at the same speed
B
sound travels slower than light
C
sound travels through a vacuum
D
Light and sound travel through air
*select an answer for all questions
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