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1st Semester ACP Review
Test Description: 7th Grade Science PreAP
Instructions: Answer all questions to get your test result.
1) Elements of the same group all--
A
are metals
B
have similar chemical properties
C
have the same size atoms
D
have the same number of neutrons
2) The atomic number of an elements represents the number of --
A
bonds that can be formed
B
protons
C
valence electrons
D
neutrons
3) N is the symbol for Nitrogen, H is the symbol for Hydrogen, and Cl is the symbol for Chlorine. The chemical formula NH4Cl indicates there are--
A
4 nitrogen atoms, 4 hydrogen atoms, and 1 chlorine atom
B
1 nitrogen atom, 1 hydrogen atom, and 1 chlorine atom
C
1 nitrogen atom, 4 hydrogen atoms, and 1 chlorine atom
D
1 nitrogen atom, 4 hydrogen atoms, and 4 chlorine atoms
4) Groundwater and surface water are both sources of water for communities. A community prevents contamination of surface water by
A
fertilizing lawns prior to heavy rains
B
recycling motor oil in designated containers
C
pouring raw sewage into the river
D
disposing of used batteries in landfills
5) According to Modern Atomic Theory, the area around the nucleus is referred to as the--
A
subatomic region
B
electron cloud
C
molecular region
D
neutral area
6) The plant is undergoing photosynthesis, which requires radiant energy. What is the source of the radiant energy?
A
Chlorophyll
B
Soil
C
Sunlight
D
Water
7) Organic compounds contain carbon and other elements such as--
A
magnesium and gold
B
sodium and chlorine
C
aluminum and nickel
D
nitrogen and sulfur
8) When people remove vegetation from the land, they accelerate the processes of runoff and--
A
rock formation
B
hill building
C
erosion
D
farming
9) Which factor will help maintain stability in an ecosystem?
A
The ability of animal populations to resist change
B
Diversity in the niches of the animals
C
Sudden changes in the climate
D
The types of gases available in the atmosphere
10) Scientists think that life may have existed on Mars. Which discovery on Mars best supports this theory?
A
Composition of the atmosphere
B
Presence of rocks
C
Polar ice caps
D
Presence of wind
11) A farmer's garden burned down and was left alone for ten years. Which description indicates that the garden is currently undergoing secondary succession?
A
The presence of a secondary species
B
The presence of lichen
C
The presence of a pioneer species
D
The absence of topsoil
12) Fish gills are an adaptation that allow fish to live in water. This adaptation allows them to--
A
gather and store food for later use
B
raise their young
C
take oxygen from a water molecule
D
find shelter
13) Charles Darwin observed how the beak sizes of Medium Galapagos Ground Finches have changed size over generations. This phenomena is evidence of--
A
natural selection
B
morphism
C
selective breeding
D
invasive species
*select an answer for all questions
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