SCIENCE FINAL EXAM REVIEW 100%
SOLVED QUESTIONS AND ANSWERS
Y
Earths tilt along with its orbit around the sun is the reason for what happening on earth? - Seasons
What is the rotation of the earth? - The period it takes for the earth to revolve on its axis which is 24 hrs.
How long does it take the earth to make one revolution around the sun? - 360 days or 1 year
Is Earth A jovian or a terrestrial planet? - Terrestrial
What force caused the Nevula that formed the Earth to start spinning and condensing? - Gravity
What is the Composition of our air? - 78% nitrogen/ 21% Oxygen/ 1% Argon
What are the layers of the atmosphere from the ground up? - Troposphere/ Stratosphere/ Mesosphere/
Thermosphere
Which layer is the ozone layer found? - Stratosphere
What is the largest cause of atmospheric pollution: Vehicle Exhaust or Factory Pollution? - Vehicle
Exhaust
What causes wind? - Changes in atmospheric pressure
What do you call efforts to use less water? - Conservation
, What does the moon pass through when it goes through a lunar eclipse? - When it goes through the
earths shadow
What happens to biodiversity as you increase in latitude and/or altitude? - decreases
What is the difference between point source pollution and non point source pollution? - Point source
pollution is pollution that comes from a single source. Non point source pollution is pollution that comes
from many different sources
why is fire good for a grassland? - Because it helps fertilize the soil
what biome gets less than 10 inches of rain per year? - the desert
How good is the soil in a deciduous biome? Why? - The soil is very fertile because of the plants that
decompose
How good is the soil in a tropical rainforest? Why? - Not very fertile, more acidic due to the huge
amounts of rain it receives
Which biome is the coldest? - tundra
What is Ozone made of? - 3 oxygen atoms
What are the main parts of the hydrological cycle? - Evaporation/ Condensation/ Precipitation/
Transpiration
What powers the Hydrological cycle? - The sun
Which biome has low growing, matted, and hairy plants because the permafrost is too hard to grow
into? - Arctic tundra