1st Semester ACP Review Question Preview (ID: 34295)


7th Grade Science PreAP. TEACHERS: click here for quick copy question ID numbers.

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 absence of topsoil
c) The presence of a pioneer species
d) The presence of a secondary species

Scientists think that life may have existed on Mars. Which discovery on Mars best supports this theory?
a) Polar ice caps
b) Presence of wind
c) Presence of rocks
d) Composition of the atmosphere

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

Organic compounds contain carbon and other elements such as--
a) aluminum and nickel
b) sodium and chlorine
c) nitrogen and sulfur
d) magnesium and gold

When people remove vegetation from the land, they accelerate the processes of runoff and--
a) erosion
b) farming
c) hill building
d) rock formation

The plant is undergoing photosynthesis, which requires radiant energy. What is the source of the radiant energy?
a) Soil
b) Water
c) Sunlight
d) Chlorophyll

According to Modern Atomic Theory, the area around the nucleus is referred to as the--
a) subatomic region
b) neutral area
c) molecular region
d) electron cloud

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) disposing of used batteries in landfills
d) pouring raw sewage into the river

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, 1 hydrogen atom, and 1 chlorine atom
b) 1 nitrogen atom, 4 hydrogen atoms, and 4 chlorine atoms
c) 1 nitrogen atom, 4 hydrogen atoms, and 1 chlorine atom
d) 4 nitrogen atoms, 4 hydrogen atoms, and 1 chlorine atom

Elements of the same group all--
a) have the same size atoms
b) have the same number of neutrons
c) have similar chemical properties
d) are metals

The atomic number of an elements represents the number of --
a) bonds that can be formed
b) valence electrons
c) neutrons
d) protons

Fish gills are an adaptation that allow fish to live in water. This adaptation allows them to--
a) find shelter
b) raise their young
c) gather and store food for later use
d) take oxygen from a water molecule

Charles Darwin observed how the beak sizes of Medium Galapagos Ground Finches have changed size over generations. This phenomena is evidence of--
a) invasive species
b) natural selection
c) morphism
d) selective breeding

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