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Physical Science Vocabulary (Grade 9)

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Physical Science Vocabulary

1. 
abate
  1. to give up on an incomplete project or effort
  2. to reduce, lessen
  3. going beyond what is reasonable and proper
  4. having an evil disposition towards others
2. 
A substance that exists naturally in the earth's crust as a single, uncombined element is known as                  .
  1. element
  2. compound
  3. native element
  4. none of the above
3. 
The breaking down of rocks on the earth's surface is                      .
  1. weathering
  2. chemical weathering
  3. erosion
  4. mechanical weathering
4. 
The process of using "half-lives" to determine the age of an object is known as
  1. Carboniferous dating
  2. Geologic dating
  3. Isometric dating
  4. Radioactive dating
5. 
Water from precipitation that does not enter the ground, but drains to surface water bodies
  1. runoff
  2. watershed
  3. groundwater
  4. floodplain
6. 
Water stored within the earth below the water table
  1. runoff
  2. watershed
  3. groundwater
  4. floodplain
7. 
Concentration of dissolved salts in water
  1. salinity
  2. turbidity
  3. permeability
  4. conductivity
8. 
The middle layer of the Earth is the                .
  1. mantle
  2. crust
  3. core
9. 
Match the following term with the provided statements: Air pollution
  1. is a significant and lasting change in the statistical distribution of forecast patterns over periods ranging from decades to millions of years
  2. are fuels formed by natural processes such as anaerobic decomposition of buried dead organisms.
  3. oxygen
  4. is the introduction of chemicals, particulates, biological materials, or other materials into the Earth's atmosphere
10. 
What is circadian rhythm?



11. 
What is an astronomical unit? What is it used for?



12. 
What is a model?



13. 
A calendar of Earth's past.
  1. Geologic Time Scale
  2. Geometric Time Scale
  3. Genetic Time Scale
  4. Genealogical Time Scale
14. 
Relative clarity of water, amount of suspended materials in water
  1. salinity
  2. turbidity
  3. permeability
  4. conductivity
15. 
Choose 5 of the science vocabulary words on this worksheet and write a paragraph that utilizes those words in the proper context. Underline or highlight the words you use.



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