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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
have the same number of neutrons
B
have similar chemical properties
C
are metals
D
have the same size atoms
2) The atomic number of an elements represents the number of --
A
neutrons
B
valence electrons
C
bonds that can be formed
D
protons
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
1 nitrogen atom, 4 hydrogen atoms, and 4 chlorine atoms
B
1 nitrogen atom, 1 hydrogen atom, and 1 chlorine atom
C
1 nitrogen atom, 4 hydrogen atoms, and 1 chlorine atom
D
4 nitrogen atoms, 4 hydrogen atoms, and 1 chlorine atom
4) Groundwater and surface water are both sources of water for communities. A community prevents contamination of surface water by
A
disposing of used batteries in landfills
B
pouring raw sewage into the river
C
fertilizing lawns prior to heavy rains
D
recycling motor oil in designated containers
5) According to Modern Atomic Theory, the area around the nucleus is referred to as the--
A
electron cloud
B
subatomic region
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
Water
D
Sunlight
7) Organic compounds contain carbon and other elements such as--
A
aluminum and nickel
B
nitrogen and sulfur
C
magnesium and gold
D
sodium and chlorine
8) When people remove vegetation from the land, they accelerate the processes of runoff and--
A
farming
B
erosion
C
hill building
D
rock formation
9) Which factor will help maintain stability in an ecosystem?
A
Sudden changes in the climate
B
Diversity in the niches of the animals
C
The types of gases available in the atmosphere
D
The ability of animal populations to resist change
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 lichen
B
The presence of a secondary species
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
take oxygen from a water molecule
B
raise their young
C
find shelter
D
gather and store food for later use
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
selective breeding
C
invasive species
D
morphism
*select an answer for all questions
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